287820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:72

約数の個数: 96

約数和(自身を含む): 987840

約数和(自身を除く): 700020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 41, 45, 52, 54, 60, 65, 78, 82, 90, 108, 117, 123, 130, 135, 156, 164, 180, 195, 205, 234, 246, 260, 270, 351, 369, 390, 410, 468, 492, 533, 540, 585, 615, 702, 738, 780, 820, 1066, 1107, 1170, 1230, 1404, 1476, 1599, 1755, 1845, 2132, 2214, 2340, 2460, 2665, 3198, 3510, 3690, 4428, 4797, 5330, 5535, 6396, 7020, 7380, 7995, 9594, 10660, 11070, 14391, 15990, 19188, 22140, 23985, 28782, 31980, 47970, 57564, 71955, 95940, 143910, 287820]

約数ペア:

[(1, 287820), (2, 143910), (3, 95940), (4, 71955), (5, 57564), (6, 47970), (9, 31980), (10, 28782), (12, 23985), (13, 22140), (15, 19188), (18, 15990), (20, 14391), (26, 11070), (27, 10660), (30, 9594), (36, 7995), (39, 7380), (41, 7020), (45, 6396), (52, 5535), (54, 5330), (60, 4797), (65, 4428), (78, 3690), (82, 3510), (90, 3198), (108, 2665), (117, 2460), (123, 2340), (130, 2214), (135, 2132), (156, 1845), (164, 1755), (180, 1599), (195, 1476), (205, 1404), (234, 1230), (246, 1170), (260, 1107), (270, 1066), (351, 820), (369, 780), (390, 738), (410, 702), (468, 615), (492, 585), (533, 540)]