9881820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 33388992

約数和(自身を除く): 23507172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 103, 117, 123, 130, 156, 164, 180, 195, 205, 206, 234, 246, 260, 309, 369, 390, 410, 412, 468, 492, 515, 533, 585, 615, 618, 738, 780, 820, 927, 1030, 1066, 1170, 1230, 1236, 1339, 1476, 1545, 1599, 1845, 1854, 2060, 2132, 2340, 2460, 2665, 2678, 3090, 3198, 3690, 3708, 4017, 4223, 4635, 4797, 5330, 5356, 6180, 6396, 6695, 7380, 7995, 8034, 8446, 9270, 9594, 10660, 12051, 12669, 13390, 15990, 16068, 16892, 18540, 19188, 20085, 21115, 23985, 24102, 25338, 26780, 31980, 38007, 40170, 42230, 47970, 48204, 50676, 54899, 60255, 63345, 76014, 80340, 84460, 95940, 109798, 120510, 126690, 152028, 164697, 190035, 219596, 241020, 253380, 274495, 329394, 380070, 494091, 548990, 658788, 760140, 823485, 988182, 1097980, 1646970, 1976364, 2470455, 3293940, 4940910, 9881820]

約数ペア:

[(1, 9881820), (2, 4940910), (3, 3293940), (4, 2470455), (5, 1976364), (6, 1646970), (9, 1097980), (10, 988182), (12, 823485), (13, 760140), (15, 658788), (18, 548990), (20, 494091), (26, 380070), (30, 329394), (36, 274495), (39, 253380), (41, 241020), (45, 219596), (52, 190035), (60, 164697), (65, 152028), (78, 126690), (82, 120510), (90, 109798), (103, 95940), (117, 84460), (123, 80340), (130, 76014), (156, 63345), (164, 60255), (180, 54899), (195, 50676), (205, 48204), (206, 47970), (234, 42230), (246, 40170), (260, 38007), (309, 31980), (369, 26780), (390, 25338), (410, 24102), (412, 23985), (468, 21115), (492, 20085), (515, 19188), (533, 18540), (585, 16892), (615, 16068), (618, 15990), (738, 13390), (780, 12669), (820, 12051), (927, 10660), (1030, 9594), (1066, 9270), (1170, 8446), (1230, 8034), (1236, 7995), (1339, 7380), (1476, 6695), (1545, 6396), (1599, 6180), (1845, 5356), (1854, 5330), (2060, 4797), (2132, 4635), (2340, 4223), (2460, 4017), (2665, 3708), (2678, 3690), (3090, 3198)]