31507980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{1531}}^1$

素因数の和:1564

約数の個数: 96

約数和(自身を含む): 102950400

約数和(自身を除く): 71442420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1531, 1715, 2058, 2940, 3062, 3430, 4116, 4593, 5145, 6124, 6860, 7655, 9186, 10290, 10717, 15310, 18372, 20580, 21434, 22965, 30620, 32151, 42868, 45930, 53585, 64302, 75019, 91860, 107170, 128604, 150038, 160755, 214340, 225057, 300076, 321510, 375095, 450114, 525133, 643020, 750190, 900228, 1050266, 1125285, 1500380, 1575399, 2100532, 2250570, 2625665, 3150798, 4501140, 5251330, 6301596, 7876995, 10502660, 15753990, 31507980]

約数ペア:

[(1, 31507980), (2, 15753990), (3, 10502660), (4, 7876995), (5, 6301596), (6, 5251330), (7, 4501140), (10, 3150798), (12, 2625665), (14, 2250570), (15, 2100532), (20, 1575399), (21, 1500380), (28, 1125285), (30, 1050266), (35, 900228), (42, 750190), (49, 643020), (60, 525133), (70, 450114), (84, 375095), (98, 321510), (105, 300076), (140, 225057), (147, 214340), (196, 160755), (210, 150038), (245, 128604), (294, 107170), (343, 91860), (420, 75019), (490, 64302), (588, 53585), (686, 45930), (735, 42868), (980, 32151), (1029, 30620), (1372, 22965), (1470, 21434), (1531, 20580), (1715, 18372), (2058, 15310), (2940, 10717), (3062, 10290), (3430, 9186), (4116, 7655), (4593, 6860), (5145, 6124)]