151438720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:516

約数の個数: 128

約数和(自身を含む): 396576000

約数和(自身を除く): 245137280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 449, 496, 527, 544, 620, 640, 680, 898, 992, 1054, 1088, 1240, 1360, 1796, 1984, 2108, 2176, 2245, 2480, 2635, 2720, 3592, 3968, 4216, 4490, 4960, 5270, 5440, 7184, 7633, 8432, 8980, 9920, 10540, 10880, 13919, 14368, 15266, 16864, 17960, 19840, 21080, 27838, 28736, 30532, 33728, 35920, 38165, 42160, 55676, 57472, 61064, 67456, 69595, 71840, 76330, 84320, 111352, 122128, 139190, 143680, 152660, 168640, 222704, 236623, 244256, 278380, 287360, 305320, 337280, 445408, 473246, 488512, 556760, 610640, 890816, 946492, 977024, 1113520, 1183115, 1221280, 1781632, 1892984, 2227040, 2366230, 2442560, 3785968, 4454080, 4732460, 4885120, 7571936, 8908160, 9464920, 15143872, 18929840, 30287744, 37859680, 75719360, 151438720]

約数ペア:

[(1, 151438720), (2, 75719360), (4, 37859680), (5, 30287744), (8, 18929840), (10, 15143872), (16, 9464920), (17, 8908160), (20, 7571936), (31, 4885120), (32, 4732460), (34, 4454080), (40, 3785968), (62, 2442560), (64, 2366230), (68, 2227040), (80, 1892984), (85, 1781632), (124, 1221280), (128, 1183115), (136, 1113520), (155, 977024), (160, 946492), (170, 890816), (248, 610640), (272, 556760), (310, 488512), (320, 473246), (340, 445408), (449, 337280), (496, 305320), (527, 287360), (544, 278380), (620, 244256), (640, 236623), (680, 222704), (898, 168640), (992, 152660), (1054, 143680), (1088, 139190), (1240, 122128), (1360, 111352), (1796, 84320), (1984, 76330), (2108, 71840), (2176, 69595), (2245, 67456), (2480, 61064), (2635, 57472), (2720, 55676), (3592, 42160), (3968, 38165), (4216, 35920), (4490, 33728), (4960, 30532), (5270, 28736), (5440, 27838), (7184, 21080), (7633, 19840), (8432, 17960), (8980, 16864), (9920, 15266), (10540, 14368), (10880, 13919)]