215671920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:567

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 491425680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 89, 92, 115, 120, 138, 178, 184, 230, 240, 267, 276, 345, 356, 368, 439, 445, 460, 534, 552, 690, 712, 878, 890, 920, 1068, 1104, 1317, 1335, 1380, 1424, 1756, 1780, 1840, 2047, 2136, 2195, 2634, 2670, 2760, 3512, 3560, 4094, 4272, 4390, 5268, 5340, 5520, 6141, 6585, 7024, 7120, 8188, 8780, 10097, 10235, 10536, 10680, 12282, 13170, 16376, 17560, 20194, 20470, 21072, 21360, 24564, 26340, 30291, 30705, 32752, 35120, 39071, 40388, 40940, 49128, 50485, 52680, 60582, 61410, 78142, 80776, 81880, 98256, 100970, 105360, 117213, 121164, 122820, 151455, 156284, 161552, 163760, 195355, 201940, 234426, 242328, 245640, 302910, 312568, 390710, 403880, 468852, 484656, 491280, 586065, 605820, 625136, 781420, 807760, 898633, 937704, 1172130, 1211640, 1562840, 1797266, 1875408, 2344260, 2423280, 2695899, 3125680, 3594532, 4493165, 4688520, 5391798, 7189064, 8986330, 9377040, 10783596, 13479495, 14378128, 17972660, 21567192, 26958990, 35945320, 43134384, 53917980, 71890640, 107835960, 215671920]

約数ペア:

[(1, 215671920), (2, 107835960), (3, 71890640), (4, 53917980), (5, 43134384), (6, 35945320), (8, 26958990), (10, 21567192), (12, 17972660), (15, 14378128), (16, 13479495), (20, 10783596), (23, 9377040), (24, 8986330), (30, 7189064), (40, 5391798), (46, 4688520), (48, 4493165), (60, 3594532), (69, 3125680), (80, 2695899), (89, 2423280), (92, 2344260), (115, 1875408), (120, 1797266), (138, 1562840), (178, 1211640), (184, 1172130), (230, 937704), (240, 898633), (267, 807760), (276, 781420), (345, 625136), (356, 605820), (368, 586065), (439, 491280), (445, 484656), (460, 468852), (534, 403880), (552, 390710), (690, 312568), (712, 302910), (878, 245640), (890, 242328), (920, 234426), (1068, 201940), (1104, 195355), (1317, 163760), (1335, 161552), (1380, 156284), (1424, 151455), (1756, 122820), (1780, 121164), (1840, 117213), (2047, 105360), (2136, 100970), (2195, 98256), (2634, 81880), (2670, 80776), (2760, 78142), (3512, 61410), (3560, 60582), (4094, 52680), (4272, 50485), (4390, 49128), (5268, 40940), (5340, 40388), (5520, 39071), (6141, 35120), (6585, 32752), (7024, 30705), (7120, 30291), (8188, 26340), (8780, 24564), (10097, 21360), (10235, 21072), (10536, 20470), (10680, 20194), (12282, 17560), (13170, 16376)]