31204680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 102453120

約数和(自身を除く): 71248440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 195, 241, 249, 260, 312, 332, 390, 415, 482, 498, 520, 664, 723, 780, 830, 964, 996, 1079, 1205, 1245, 1446, 1560, 1660, 1928, 1992, 2158, 2410, 2490, 2892, 3133, 3237, 3320, 3615, 4316, 4820, 4980, 5395, 5784, 6266, 6474, 7230, 8632, 9399, 9640, 9960, 10790, 12532, 12948, 14460, 15665, 16185, 18798, 20003, 21580, 25064, 25896, 28920, 31330, 32370, 37596, 40006, 43160, 46995, 60009, 62660, 64740, 75192, 80012, 93990, 100015, 120018, 125320, 129480, 160024, 187980, 200030, 240036, 260039, 300045, 375960, 400060, 480072, 520078, 600090, 780117, 800120, 1040156, 1200180, 1300195, 1560234, 2080312, 2400360, 2600390, 3120468, 3900585, 5200780, 6240936, 7801170, 10401560, 15602340, 31204680]

約数ペア:

[(1, 31204680), (2, 15602340), (3, 10401560), (4, 7801170), (5, 6240936), (6, 5200780), (8, 3900585), (10, 3120468), (12, 2600390), (13, 2400360), (15, 2080312), (20, 1560234), (24, 1300195), (26, 1200180), (30, 1040156), (39, 800120), (40, 780117), (52, 600090), (60, 520078), (65, 480072), (78, 400060), (83, 375960), (104, 300045), (120, 260039), (130, 240036), (156, 200030), (166, 187980), (195, 160024), (241, 129480), (249, 125320), (260, 120018), (312, 100015), (332, 93990), (390, 80012), (415, 75192), (482, 64740), (498, 62660), (520, 60009), (664, 46995), (723, 43160), (780, 40006), (830, 37596), (964, 32370), (996, 31330), (1079, 28920), (1205, 25896), (1245, 25064), (1446, 21580), (1560, 20003), (1660, 18798), (1928, 16185), (1992, 15665), (2158, 14460), (2410, 12948), (2490, 12532), (2892, 10790), (3133, 9960), (3237, 9640), (3320, 9399), (3615, 8632), (4316, 7230), (4820, 6474), (4980, 6266), (5395, 5784)]