31240560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 320

約数和(自身を含む): 119992320

約数和(自身を除く): 88751760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 19, 20, 24, 26, 30, 31, 34, 38, 39, 40, 48, 51, 52, 57, 60, 62, 65, 68, 76, 78, 80, 85, 93, 95, 102, 104, 114, 120, 124, 130, 136, 152, 155, 156, 170, 186, 190, 195, 204, 208, 221, 228, 240, 247, 248, 255, 260, 272, 285, 304, 310, 312, 323, 340, 372, 380, 390, 403, 408, 442, 456, 465, 494, 496, 510, 520, 527, 570, 589, 620, 624, 646, 663, 680, 741, 744, 760, 780, 806, 816, 884, 912, 930, 969, 988, 1020, 1040, 1054, 1105, 1140, 1178, 1209, 1235, 1240, 1292, 1326, 1360, 1482, 1488, 1520, 1560, 1581, 1612, 1615, 1767, 1768, 1860, 1938, 1976, 2015, 2040, 2108, 2210, 2280, 2356, 2418, 2470, 2480, 2584, 2635, 2652, 2945, 2964, 3120, 3162, 3224, 3230, 3315, 3534, 3536, 3705, 3720, 3876, 3952, 4030, 4080, 4199, 4216, 4420, 4560, 4712, 4836, 4845, 4940, 5168, 5270, 5304, 5890, 5928, 6045, 6324, 6448, 6460, 6630, 6851, 7068, 7410, 7440, 7657, 7752, 7905, 8060, 8398, 8432, 8835, 8840, 9424, 9672, 9690, 9880, 10013, 10540, 10608, 11780, 11856, 12090, 12597, 12648, 12920, 13260, 13702, 14136, 14820, 15314, 15504, 15810, 16120, 16796, 17670, 17680, 19344, 19380, 19760, 20026, 20553, 20995, 21080, 22971, 23560, 24180, 25194, 25296, 25840, 26520, 27404, 28272, 29640, 30039, 30628, 31620, 32240, 33592, 34255, 35340, 38285, 38760, 40052, 41106, 41990, 42160, 45942, 47120, 48360, 50065, 50388, 53040, 54808, 59280, 60078, 61256, 62985, 63240, 67184, 68510, 70680, 76570, 77520, 80104, 82212, 83980, 91884, 96720, 100130, 100776, 102765, 109616, 114855, 120156, 122512, 125970, 126480, 130169, 137020, 141360, 150195, 153140, 160208, 164424, 167960, 183768, 200260, 201552, 205530, 229710, 240312, 251940, 260338, 274040, 300390, 306280, 328848, 335920, 367536, 390507, 400520, 411060, 459420, 480624, 503880, 520676, 548080, 600780, 612560, 650845, 781014, 801040, 822120, 918840, 1007760, 1041352, 1201560, 1301690, 1562028, 1644240, 1837680, 1952535, 2082704, 2403120, 2603380, 3124056, 3905070, 5206760, 6248112, 7810140, 10413520, 15620280, 31240560]

約数ペア:

[(1, 31240560), (2, 15620280), (3, 10413520), (4, 7810140), (5, 6248112), (6, 5206760), (8, 3905070), (10, 3124056), (12, 2603380), (13, 2403120), (15, 2082704), (16, 1952535), (17, 1837680), (19, 1644240), (20, 1562028), (24, 1301690), (26, 1201560), (30, 1041352), (31, 1007760), (34, 918840), (38, 822120), (39, 801040), (40, 781014), (48, 650845), (51, 612560), (52, 600780), (57, 548080), (60, 520676), (62, 503880), (65, 480624), (68, 459420), (76, 411060), (78, 400520), (80, 390507), (85, 367536), (93, 335920), (95, 328848), (102, 306280), (104, 300390), (114, 274040), (120, 260338), (124, 251940), (130, 240312), (136, 229710), (152, 205530), (155, 201552), (156, 200260), (170, 183768), (186, 167960), (190, 164424), (195, 160208), (204, 153140), (208, 150195), (221, 141360), (228, 137020), (240, 130169), (247, 126480), (248, 125970), (255, 122512), (260, 120156), (272, 114855), (285, 109616), (304, 102765), (310, 100776), (312, 100130), (323, 96720), (340, 91884), (372, 83980), (380, 82212), (390, 80104), (403, 77520), (408, 76570), (442, 70680), (456, 68510), (465, 67184), (494, 63240), (496, 62985), (510, 61256), (520, 60078), (527, 59280), (570, 54808), (589, 53040), (620, 50388), (624, 50065), (646, 48360), (663, 47120), (680, 45942), (741, 42160), (744, 41990), (760, 41106), (780, 40052), (806, 38760), (816, 38285), (884, 35340), (912, 34255), (930, 33592), (969, 32240), (988, 31620), (1020, 30628), (1040, 30039), (1054, 29640), (1105, 28272), (1140, 27404), (1178, 26520), (1209, 25840), (1235, 25296), (1240, 25194), (1292, 24180), (1326, 23560), (1360, 22971), (1482, 21080), (1488, 20995), (1520, 20553), (1560, 20026), (1581, 19760), (1612, 19380), (1615, 19344), (1767, 17680), (1768, 17670), (1860, 16796), (1938, 16120), (1976, 15810), (2015, 15504), (2040, 15314), (2108, 14820), (2210, 14136), (2280, 13702), (2356, 13260), (2418, 12920), (2470, 12648), (2480, 12597), (2584, 12090), (2635, 11856), (2652, 11780), (2945, 10608), (2964, 10540), (3120, 10013), (3162, 9880), (3224, 9690), (3230, 9672), (3315, 9424), (3534, 8840), (3536, 8835), (3705, 8432), (3720, 8398), (3876, 8060), (3952, 7905), (4030, 7752), (4080, 7657), (4199, 7440), (4216, 7410), (4420, 7068), (4560, 6851), (4712, 6630), (4836, 6460), (4845, 6448), (4940, 6324), (5168, 6045), (5270, 5928), (5304, 5890)]