82220840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 215550720

約数和(自身を除く): 133329880

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 71, 85, 104, 130, 131, 136, 142, 170, 221, 260, 262, 284, 340, 355, 442, 520, 524, 568, 655, 680, 710, 884, 923, 1048, 1105, 1207, 1310, 1420, 1703, 1768, 1846, 2210, 2227, 2414, 2620, 2840, 3406, 3692, 4420, 4454, 4615, 4828, 5240, 6035, 6812, 7384, 8515, 8840, 8908, 9230, 9301, 9656, 11135, 12070, 13624, 15691, 17030, 17816, 18460, 18602, 22270, 24140, 28951, 31382, 34060, 36920, 37204, 44540, 46505, 48280, 57902, 62764, 68120, 74408, 78455, 89080, 93010, 115804, 120913, 125528, 144755, 156910, 158117, 186020, 231608, 241826, 289510, 313820, 316234, 372040, 483652, 579020, 604565, 627640, 632468, 790585, 967304, 1158040, 1209130, 1264936, 1581170, 2055521, 2418260, 3162340, 4111042, 4836520, 6324680, 8222084, 10277605, 16444168, 20555210, 41110420, 82220840]

約数ペア:

[(1, 82220840), (2, 41110420), (4, 20555210), (5, 16444168), (8, 10277605), (10, 8222084), (13, 6324680), (17, 4836520), (20, 4111042), (26, 3162340), (34, 2418260), (40, 2055521), (52, 1581170), (65, 1264936), (68, 1209130), (71, 1158040), (85, 967304), (104, 790585), (130, 632468), (131, 627640), (136, 604565), (142, 579020), (170, 483652), (221, 372040), (260, 316234), (262, 313820), (284, 289510), (340, 241826), (355, 231608), (442, 186020), (520, 158117), (524, 156910), (568, 144755), (655, 125528), (680, 120913), (710, 115804), (884, 93010), (923, 89080), (1048, 78455), (1105, 74408), (1207, 68120), (1310, 62764), (1420, 57902), (1703, 48280), (1768, 46505), (1846, 44540), (2210, 37204), (2227, 36920), (2414, 34060), (2620, 31382), (2840, 28951), (3406, 24140), (3692, 22270), (4420, 18602), (4454, 18460), (4615, 17816), (4828, 17030), (5240, 15691), (6035, 13624), (6812, 12070), (7384, 11135), (8515, 9656), (8840, 9301), (8908, 9230)]