20211642720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{16189}}^1$

素因数の和:16247

約数の個数: 288

約数和(自身を含む): 75151389600

約数和(自身を除く): 54939746880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 204, 216, 240, 255, 270, 272, 288, 289, 306, 340, 360, 408, 432, 459, 480, 510, 540, 544, 578, 612, 680, 720, 765, 816, 864, 867, 918, 1020, 1080, 1156, 1224, 1360, 1440, 1445, 1530, 1632, 1734, 1836, 2040, 2160, 2295, 2312, 2448, 2601, 2720, 2890, 3060, 3468, 3672, 4080, 4320, 4335, 4590, 4624, 4896, 5202, 5780, 6120, 6936, 7344, 7803, 8160, 8670, 9180, 9248, 10404, 11560, 12240, 13005, 13872, 14688, 15606, 16189, 17340, 18360, 20808, 23120, 24480, 26010, 27744, 31212, 32378, 34680, 36720, 39015, 41616, 46240, 48567, 52020, 62424, 64756, 69360, 73440, 78030, 80945, 83232, 97134, 104040, 124848, 129512, 138720, 145701, 156060, 161890, 194268, 208080, 242835, 249696, 259024, 275213, 291402, 312120, 323780, 388536, 416160, 437103, 485670, 518048, 550426, 582804, 624240, 647560, 728505, 777072, 825639, 874206, 971340, 1100852, 1165608, 1248480, 1295120, 1376065, 1457010, 1554144, 1651278, 1748412, 1942680, 2185515, 2201704, 2331216, 2476917, 2590240, 2752130, 2914020, 3302556, 3496824, 3885360, 4128195, 4371030, 4403408, 4662432, 4678621, 4953834, 5504260, 5828040, 6605112, 6993648, 7430751, 7770720, 8256390, 8742060, 8806816, 9357242, 9907668, 11008520, 11656080, 12384585, 13210224, 13987296, 14035863, 14861502, 16512780, 17484120, 18714484, 19815336, 22017040, 23312160, 23393105, 24769170, 26420448, 28071726, 29723004, 33025560, 34968240, 37153755, 37428968, 39630672, 42107589, 44034080, 46786210, 49538340, 56143452, 59446008, 66051120, 69936480, 70179315, 74307510, 74857936, 79261344, 84215178, 93572420, 99076680, 112286904, 118892016, 126322767, 132102240, 140358630, 148615020, 149715872, 168430356, 187144840, 198153360, 210537945, 224573808, 237784032, 252645534, 280717260, 297230040, 336860712, 374289680, 396306720, 421075890, 449147616, 505291068, 561434520, 594460080, 631613835, 673721424, 748579360, 842151780, 1010582136, 1122869040, 1188920160, 1263227670, 1347442848, 1684303560, 2021164272, 2245738080, 2526455340, 3368607120, 4042328544, 5052910680, 6737214240, 10105821360, 20211642720]

約数ペア:

[(1, 20211642720), (2, 10105821360), (3, 6737214240), (4, 5052910680), (5, 4042328544), (6, 3368607120), (8, 2526455340), (9, 2245738080), (10, 2021164272), (12, 1684303560), (15, 1347442848), (16, 1263227670), (17, 1188920160), (18, 1122869040), (20, 1010582136), (24, 842151780), (27, 748579360), (30, 673721424), (32, 631613835), (34, 594460080), (36, 561434520), (40, 505291068), (45, 449147616), (48, 421075890), (51, 396306720), (54, 374289680), (60, 336860712), (68, 297230040), (72, 280717260), (80, 252645534), (85, 237784032), (90, 224573808), (96, 210537945), (102, 198153360), (108, 187144840), (120, 168430356), (135, 149715872), (136, 148615020), (144, 140358630), (153, 132102240), (160, 126322767), (170, 118892016), (180, 112286904), (204, 99076680), (216, 93572420), (240, 84215178), (255, 79261344), (270, 74857936), (272, 74307510), (288, 70179315), (289, 69936480), (306, 66051120), (340, 59446008), (360, 56143452), (408, 49538340), (432, 46786210), (459, 44034080), (480, 42107589), (510, 39630672), (540, 37428968), (544, 37153755), (578, 34968240), (612, 33025560), (680, 29723004), (720, 28071726), (765, 26420448), (816, 24769170), (864, 23393105), (867, 23312160), (918, 22017040), (1020, 19815336), (1080, 18714484), (1156, 17484120), (1224, 16512780), (1360, 14861502), (1440, 14035863), (1445, 13987296), (1530, 13210224), (1632, 12384585), (1734, 11656080), (1836, 11008520), (2040, 9907668), (2160, 9357242), (2295, 8806816), (2312, 8742060), (2448, 8256390), (2601, 7770720), (2720, 7430751), (2890, 6993648), (3060, 6605112), (3468, 5828040), (3672, 5504260), (4080, 4953834), (4320, 4678621), (4335, 4662432), (4590, 4403408), (4624, 4371030), (4896, 4128195), (5202, 3885360), (5780, 3496824), (6120, 3302556), (6936, 2914020), (7344, 2752130), (7803, 2590240), (8160, 2476917), (8670, 2331216), (9180, 2201704), (9248, 2185515), (10404, 1942680), (11560, 1748412), (12240, 1651278), (13005, 1554144), (13872, 1457010), (14688, 1376065), (15606, 1295120), (16189, 1248480), (17340, 1165608), (18360, 1100852), (20808, 971340), (23120, 874206), (24480, 825639), (26010, 777072), (27744, 728505), (31212, 647560), (32378, 624240), (34680, 582804), (36720, 550426), (39015, 518048), (41616, 485670), (46240, 437103), (48567, 416160), (52020, 388536), (62424, 323780), (64756, 312120), (69360, 291402), (73440, 275213), (78030, 259024), (80945, 249696), (83232, 242835), (97134, 208080), (104040, 194268), (124848, 161890), (129512, 156060), (138720, 145701)]