74816560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 160

約数和(自身を含む): 219985920

約数和(自身を除く): 145169360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 80, 86, 91, 104, 112, 130, 140, 172, 182, 208, 215, 239, 260, 280, 301, 344, 364, 430, 455, 478, 520, 559, 560, 602, 688, 728, 860, 910, 956, 1040, 1118, 1195, 1204, 1456, 1505, 1673, 1720, 1820, 1912, 2236, 2390, 2408, 2795, 3010, 3107, 3346, 3440, 3640, 3824, 3913, 4472, 4780, 4816, 5590, 6020, 6214, 6692, 7280, 7826, 8365, 8944, 9560, 10277, 11180, 12040, 12428, 13384, 15535, 15652, 16730, 19120, 19565, 20554, 21749, 22360, 24080, 24856, 26768, 31070, 31304, 33460, 39130, 41108, 43498, 44720, 49712, 51385, 62140, 62608, 66920, 71939, 78260, 82216, 86996, 102770, 108745, 124280, 133601, 133840, 143878, 156520, 164432, 173992, 205540, 217490, 248560, 267202, 287756, 313040, 347984, 359695, 411080, 434980, 534404, 575512, 668005, 719390, 822160, 869960, 935207, 1068808, 1151024, 1336010, 1438780, 1739920, 1870414, 2137616, 2672020, 2877560, 3740828, 4676035, 5344040, 5755120, 7481656, 9352070, 10688080, 14963312, 18704140, 37408280, 74816560]

約数ペア:

[(1, 74816560), (2, 37408280), (4, 18704140), (5, 14963312), (7, 10688080), (8, 9352070), (10, 7481656), (13, 5755120), (14, 5344040), (16, 4676035), (20, 3740828), (26, 2877560), (28, 2672020), (35, 2137616), (40, 1870414), (43, 1739920), (52, 1438780), (56, 1336010), (65, 1151024), (70, 1068808), (80, 935207), (86, 869960), (91, 822160), (104, 719390), (112, 668005), (130, 575512), (140, 534404), (172, 434980), (182, 411080), (208, 359695), (215, 347984), (239, 313040), (260, 287756), (280, 267202), (301, 248560), (344, 217490), (364, 205540), (430, 173992), (455, 164432), (478, 156520), (520, 143878), (559, 133840), (560, 133601), (602, 124280), (688, 108745), (728, 102770), (860, 86996), (910, 82216), (956, 78260), (1040, 71939), (1118, 66920), (1195, 62608), (1204, 62140), (1456, 51385), (1505, 49712), (1673, 44720), (1720, 43498), (1820, 41108), (1912, 39130), (2236, 33460), (2390, 31304), (2408, 31070), (2795, 26768), (3010, 24856), (3107, 24080), (3346, 22360), (3440, 21749), (3640, 20554), (3824, 19565), (3913, 19120), (4472, 16730), (4780, 15652), (4816, 15535), (5590, 13384), (6020, 12428), (6214, 12040), (6692, 11180), (7280, 10277), (7826, 9560), (8365, 8944)]