1218690560

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:764

約数の個数: 160

約数和(自身を含む): 3173984352

約数和(自身を除く): 1955293792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 205, 256, 272, 320, 328, 340, 410, 512, 544, 640, 656, 680, 683, 697, 820, 1088, 1280, 1312, 1360, 1366, 1394, 1640, 2176, 2560, 2624, 2720, 2732, 2788, 3280, 3415, 3485, 4352, 5248, 5440, 5464, 5576, 6560, 6830, 6970, 8704, 10496, 10880, 10928, 11152, 11611, 13120, 13660, 13940, 20992, 21760, 21856, 22304, 23222, 26240, 27320, 27880, 28003, 43520, 43712, 44608, 46444, 52480, 54640, 55760, 56006, 58055, 87424, 89216, 92888, 104960, 109280, 111520, 112012, 116110, 140015, 174848, 178432, 185776, 218560, 223040, 224024, 232220, 280030, 349696, 356864, 371552, 437120, 446080, 448048, 464440, 476051, 560060, 743104, 874240, 892160, 896096, 928880, 952102, 1120120, 1486208, 1748480, 1784320, 1792192, 1857760, 1904204, 2240240, 2380255, 2972416, 3584384, 3715520, 3808408, 4480480, 4760510, 5944832, 7168768, 7431040, 7616816, 8960960, 9521020, 14337536, 14862080, 15233632, 17921920, 19042040, 29724160, 30467264, 35843840, 38084080, 60934528, 71687680, 76168160, 121869056, 152336320, 243738112, 304672640, 609345280, 1218690560]

約数ペア:

[(1, 1218690560), (2, 609345280), (4, 304672640), (5, 243738112), (8, 152336320), (10, 121869056), (16, 76168160), (17, 71687680), (20, 60934528), (32, 38084080), (34, 35843840), (40, 30467264), (41, 29724160), (64, 19042040), (68, 17921920), (80, 15233632), (82, 14862080), (85, 14337536), (128, 9521020), (136, 8960960), (160, 7616816), (164, 7431040), (170, 7168768), (205, 5944832), (256, 4760510), (272, 4480480), (320, 3808408), (328, 3715520), (340, 3584384), (410, 2972416), (512, 2380255), (544, 2240240), (640, 1904204), (656, 1857760), (680, 1792192), (683, 1784320), (697, 1748480), (820, 1486208), (1088, 1120120), (1280, 952102), (1312, 928880), (1360, 896096), (1366, 892160), (1394, 874240), (1640, 743104), (2176, 560060), (2560, 476051), (2624, 464440), (2720, 448048), (2732, 446080), (2788, 437120), (3280, 371552), (3415, 356864), (3485, 349696), (4352, 280030), (5248, 232220), (5440, 224024), (5464, 223040), (5576, 218560), (6560, 185776), (6830, 178432), (6970, 174848), (8704, 140015), (10496, 116110), (10880, 112012), (10928, 111520), (11152, 109280), (11611, 104960), (13120, 92888), (13660, 89216), (13940, 87424), (20992, 58055), (21760, 56006), (21856, 55760), (22304, 54640), (23222, 52480), (26240, 46444), (27320, 44608), (27880, 43712), (28003, 43520)]