1640081040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{547}}^1$

素因数の和:638

約数の個数: 240

約数和(自身を含む): 5668012224

約数和(自身を除く): 4027931184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 465, 496, 520, 547, 620, 624, 744, 780, 806, 930, 961, 1040, 1094, 1209, 1240, 1488, 1560, 1612, 1641, 1860, 1922, 2015, 2188, 2418, 2480, 2735, 2883, 3120, 3224, 3282, 3720, 3844, 4030, 4376, 4805, 4836, 5470, 5766, 6045, 6448, 6564, 7111, 7440, 7688, 8060, 8205, 8752, 9610, 9672, 10940, 11532, 12090, 12493, 13128, 14222, 14415, 15376, 16120, 16410, 16957, 19220, 19344, 21333, 21880, 23064, 24180, 24986, 26256, 28444, 28830, 32240, 32820, 33914, 35555, 37479, 38440, 42666, 43760, 46128, 48360, 49972, 50871, 56888, 57660, 62465, 65640, 67828, 71110, 74958, 76880, 84785, 85332, 96720, 99944, 101742, 106665, 113776, 115320, 124930, 131280, 135656, 142220, 149916, 169570, 170664, 187395, 199888, 203484, 213330, 220441, 230640, 249860, 254355, 271312, 284440, 299832, 339140, 341328, 374790, 406968, 426660, 440882, 499720, 508710, 525667, 568880, 599664, 661323, 678280, 749580, 813936, 853320, 881764, 999440, 1017420, 1051334, 1102205, 1322646, 1356560, 1499160, 1577001, 1706640, 1763528, 2034840, 2102668, 2204410, 2628335, 2645292, 2998320, 3154002, 3306615, 3527056, 4069680, 4205336, 4408820, 5256670, 5290584, 6308004, 6613230, 6833671, 7885005, 8410672, 8817640, 10513340, 10581168, 12616008, 13226460, 13667342, 15770010, 17635280, 20501013, 21026680, 25232016, 26452920, 27334684, 31540020, 34168355, 41002026, 42053360, 52905840, 54669368, 63080040, 68336710, 82004052, 102505065, 109338736, 126160080, 136673420, 164008104, 205010130, 273346840, 328016208, 410020260, 546693680, 820040520, 1640081040]

約数ペア:

[(1, 1640081040), (2, 820040520), (3, 546693680), (4, 410020260), (5, 328016208), (6, 273346840), (8, 205010130), (10, 164008104), (12, 136673420), (13, 126160080), (15, 109338736), (16, 102505065), (20, 82004052), (24, 68336710), (26, 63080040), (30, 54669368), (31, 52905840), (39, 42053360), (40, 41002026), (48, 34168355), (52, 31540020), (60, 27334684), (62, 26452920), (65, 25232016), (78, 21026680), (80, 20501013), (93, 17635280), (104, 15770010), (120, 13667342), (124, 13226460), (130, 12616008), (155, 10581168), (156, 10513340), (186, 8817640), (195, 8410672), (208, 7885005), (240, 6833671), (248, 6613230), (260, 6308004), (310, 5290584), (312, 5256670), (372, 4408820), (390, 4205336), (403, 4069680), (465, 3527056), (496, 3306615), (520, 3154002), (547, 2998320), (620, 2645292), (624, 2628335), (744, 2204410), (780, 2102668), (806, 2034840), (930, 1763528), (961, 1706640), (1040, 1577001), (1094, 1499160), (1209, 1356560), (1240, 1322646), (1488, 1102205), (1560, 1051334), (1612, 1017420), (1641, 999440), (1860, 881764), (1922, 853320), (2015, 813936), (2188, 749580), (2418, 678280), (2480, 661323), (2735, 599664), (2883, 568880), (3120, 525667), (3224, 508710), (3282, 499720), (3720, 440882), (3844, 426660), (4030, 406968), (4376, 374790), (4805, 341328), (4836, 339140), (5470, 299832), (5766, 284440), (6045, 271312), (6448, 254355), (6564, 249860), (7111, 230640), (7440, 220441), (7688, 213330), (8060, 203484), (8205, 199888), (8752, 187395), (9610, 170664), (9672, 169570), (10940, 149916), (11532, 142220), (12090, 135656), (12493, 131280), (13128, 124930), (14222, 115320), (14415, 113776), (15376, 106665), (16120, 101742), (16410, 99944), (16957, 96720), (19220, 85332), (19344, 84785), (21333, 76880), (21880, 74958), (23064, 71110), (24180, 67828), (24986, 65640), (26256, 62465), (28444, 57660), (28830, 56888), (32240, 50871), (32820, 49972), (33914, 48360), (35555, 46128), (37479, 43760), (38440, 42666)]