1221552900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:896

約数の個数: 180

約数和(自身を含む): 3982661760

約数和(自身を除く): 2761108860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 239, 270, 300, 324, 405, 450, 478, 540, 631, 675, 717, 810, 900, 956, 1195, 1262, 1350, 1434, 1620, 1893, 2025, 2151, 2390, 2524, 2700, 2868, 3155, 3585, 3786, 4050, 4302, 4780, 5679, 5975, 6310, 6453, 7170, 7572, 8100, 8604, 9465, 10755, 11358, 11950, 12620, 12906, 14340, 15775, 17037, 17925, 18930, 19359, 21510, 22716, 23900, 25812, 28395, 31550, 32265, 34074, 35850, 37860, 38718, 43020, 47325, 51111, 53775, 56790, 63100, 64530, 68148, 71700, 77436, 85185, 94650, 96795, 102222, 107550, 113580, 129060, 141975, 150809, 161325, 170370, 189300, 193590, 204444, 215100, 255555, 283950, 301618, 322650, 340740, 387180, 425925, 452427, 483975, 511110, 567900, 603236, 645300, 754045, 851850, 904854, 967950, 1022220, 1277775, 1357281, 1508090, 1703700, 1809708, 1935900, 2262135, 2555550, 2714562, 3016180, 3770225, 4071843, 4524270, 5111100, 5429124, 6786405, 7540450, 8143686, 9048540, 11310675, 12215529, 13572810, 15080900, 16287372, 20359215, 22621350, 24431058, 27145620, 33932025, 40718430, 45242700, 48862116, 61077645, 67864050, 81436860, 101796075, 122155290, 135728100, 203592150, 244310580, 305388225, 407184300, 610776450, 1221552900]

約数ペア:

[(1, 1221552900), (2, 610776450), (3, 407184300), (4, 305388225), (5, 244310580), (6, 203592150), (9, 135728100), (10, 122155290), (12, 101796075), (15, 81436860), (18, 67864050), (20, 61077645), (25, 48862116), (27, 45242700), (30, 40718430), (36, 33932025), (45, 27145620), (50, 24431058), (54, 22621350), (60, 20359215), (75, 16287372), (81, 15080900), (90, 13572810), (100, 12215529), (108, 11310675), (135, 9048540), (150, 8143686), (162, 7540450), (180, 6786405), (225, 5429124), (239, 5111100), (270, 4524270), (300, 4071843), (324, 3770225), (405, 3016180), (450, 2714562), (478, 2555550), (540, 2262135), (631, 1935900), (675, 1809708), (717, 1703700), (810, 1508090), (900, 1357281), (956, 1277775), (1195, 1022220), (1262, 967950), (1350, 904854), (1434, 851850), (1620, 754045), (1893, 645300), (2025, 603236), (2151, 567900), (2390, 511110), (2524, 483975), (2700, 452427), (2868, 425925), (3155, 387180), (3585, 340740), (3786, 322650), (4050, 301618), (4302, 283950), (4780, 255555), (5679, 215100), (5975, 204444), (6310, 193590), (6453, 189300), (7170, 170370), (7572, 161325), (8100, 150809), (8604, 141975), (9465, 129060), (10755, 113580), (11358, 107550), (11950, 102222), (12620, 96795), (12906, 94650), (14340, 85185), (15775, 77436), (17037, 71700), (17925, 68148), (18930, 64530), (19359, 63100), (21510, 56790), (22716, 53775), (23900, 51111), (25812, 47325), (28395, 43020), (31550, 38718), (32265, 37860), (34074, 35850)]