91918720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 234420480

約数和(自身を除く): 142501760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 113, 124, 128, 155, 160, 164, 205, 226, 248, 310, 320, 328, 410, 452, 496, 565, 620, 640, 656, 820, 904, 992, 1130, 1240, 1271, 1312, 1640, 1808, 1984, 2260, 2480, 2542, 2624, 3280, 3503, 3616, 3968, 4520, 4633, 4960, 5084, 5248, 6355, 6560, 7006, 7232, 9040, 9266, 9920, 10168, 12710, 13120, 14012, 14464, 17515, 18080, 18532, 19840, 20336, 23165, 25420, 26240, 28024, 35030, 36160, 37064, 40672, 46330, 50840, 56048, 70060, 72320, 74128, 81344, 92660, 101680, 112096, 140120, 143623, 148256, 162688, 185320, 203360, 224192, 280240, 287246, 296512, 370640, 406720, 448384, 560480, 574492, 593024, 718115, 741280, 813440, 1120960, 1148984, 1436230, 1482560, 2241920, 2297968, 2872460, 2965120, 4595936, 5744920, 9191872, 11489840, 18383744, 22979680, 45959360, 91918720]

約数ペア:

[(1, 91918720), (2, 45959360), (4, 22979680), (5, 18383744), (8, 11489840), (10, 9191872), (16, 5744920), (20, 4595936), (31, 2965120), (32, 2872460), (40, 2297968), (41, 2241920), (62, 1482560), (64, 1436230), (80, 1148984), (82, 1120960), (113, 813440), (124, 741280), (128, 718115), (155, 593024), (160, 574492), (164, 560480), (205, 448384), (226, 406720), (248, 370640), (310, 296512), (320, 287246), (328, 280240), (410, 224192), (452, 203360), (496, 185320), (565, 162688), (620, 148256), (640, 143623), (656, 140120), (820, 112096), (904, 101680), (992, 92660), (1130, 81344), (1240, 74128), (1271, 72320), (1312, 70060), (1640, 56048), (1808, 50840), (1984, 46330), (2260, 40672), (2480, 37064), (2542, 36160), (2624, 35030), (3280, 28024), (3503, 26240), (3616, 25420), (3968, 23165), (4520, 20336), (4633, 19840), (4960, 18532), (5084, 18080), (5248, 17515), (6355, 14464), (6560, 14012), (7006, 13120), (7232, 12710), (9040, 10168), (9266, 9920)]