1375191880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:863

約数の個数: 128

約数和(自身を含む): 3475094400

約数和(自身を除く): 2099902520

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 163, 170, 190, 323, 326, 340, 380, 646, 652, 653, 680, 760, 815, 1292, 1304, 1306, 1615, 1630, 2584, 2612, 2771, 3097, 3230, 3260, 3265, 5224, 5542, 6194, 6460, 6520, 6530, 11084, 11101, 12388, 12407, 12920, 13060, 13855, 15485, 22168, 22202, 24776, 24814, 26120, 27710, 30970, 44404, 49628, 52649, 55420, 55505, 61940, 62035, 88808, 99256, 105298, 106439, 110840, 111010, 123880, 124070, 210596, 210919, 212878, 222020, 248140, 263245, 421192, 421838, 425756, 444040, 496280, 526490, 532195, 843676, 851512, 1052980, 1054595, 1064390, 1687352, 1809463, 2022341, 2105960, 2109190, 2128780, 3618926, 4044682, 4218380, 4257560, 7237852, 8089364, 8436760, 9047315, 10111705, 14475704, 16178728, 18094630, 20223410, 34379797, 36189260, 40446820, 68759594, 72378520, 80893640, 137519188, 171898985, 275038376, 343797970, 687595940, 1375191880]

約数ペア:

[(1, 1375191880), (2, 687595940), (4, 343797970), (5, 275038376), (8, 171898985), (10, 137519188), (17, 80893640), (19, 72378520), (20, 68759594), (34, 40446820), (38, 36189260), (40, 34379797), (68, 20223410), (76, 18094630), (85, 16178728), (95, 14475704), (136, 10111705), (152, 9047315), (163, 8436760), (170, 8089364), (190, 7237852), (323, 4257560), (326, 4218380), (340, 4044682), (380, 3618926), (646, 2128780), (652, 2109190), (653, 2105960), (680, 2022341), (760, 1809463), (815, 1687352), (1292, 1064390), (1304, 1054595), (1306, 1052980), (1615, 851512), (1630, 843676), (2584, 532195), (2612, 526490), (2771, 496280), (3097, 444040), (3230, 425756), (3260, 421838), (3265, 421192), (5224, 263245), (5542, 248140), (6194, 222020), (6460, 212878), (6520, 210919), (6530, 210596), (11084, 124070), (11101, 123880), (12388, 111010), (12407, 110840), (12920, 106439), (13060, 105298), (13855, 99256), (15485, 88808), (22168, 62035), (22202, 61940), (24776, 55505), (24814, 55420), (26120, 52649), (27710, 49628), (30970, 44404)]