38721480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1539

約数の個数: 128

約数和(自身を含む): 137134080

約数和(自身を除く): 98412600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1487, 1736, 1860, 2170, 2604, 2974, 3255, 3720, 4340, 4461, 5208, 5948, 6510, 7435, 8680, 8922, 10409, 11896, 13020, 14870, 17844, 20818, 22305, 26040, 29740, 31227, 35688, 41636, 44610, 46097, 52045, 59480, 62454, 83272, 89220, 92194, 104090, 124908, 138291, 156135, 178440, 184388, 208180, 230485, 249816, 276582, 312270, 322679, 368776, 416360, 460970, 553164, 624540, 645358, 691455, 921940, 968037, 1106328, 1249080, 1290716, 1382910, 1613395, 1843880, 1936074, 2581432, 2765820, 3226790, 3872148, 4840185, 5531640, 6453580, 7744296, 9680370, 12907160, 19360740, 38721480]

約数ペア:

[(1, 38721480), (2, 19360740), (3, 12907160), (4, 9680370), (5, 7744296), (6, 6453580), (7, 5531640), (8, 4840185), (10, 3872148), (12, 3226790), (14, 2765820), (15, 2581432), (20, 1936074), (21, 1843880), (24, 1613395), (28, 1382910), (30, 1290716), (31, 1249080), (35, 1106328), (40, 968037), (42, 921940), (56, 691455), (60, 645358), (62, 624540), (70, 553164), (84, 460970), (93, 416360), (105, 368776), (120, 322679), (124, 312270), (140, 276582), (155, 249816), (168, 230485), (186, 208180), (210, 184388), (217, 178440), (248, 156135), (280, 138291), (310, 124908), (372, 104090), (420, 92194), (434, 89220), (465, 83272), (620, 62454), (651, 59480), (744, 52045), (840, 46097), (868, 44610), (930, 41636), (1085, 35688), (1240, 31227), (1302, 29740), (1487, 26040), (1736, 22305), (1860, 20818), (2170, 17844), (2604, 14870), (2974, 13020), (3255, 11896), (3720, 10409), (4340, 8922), (4461, 8680), (5208, 7435), (5948, 6510)]