161620680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 525409920

約数和(自身を除く): 363789240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 313, 331, 390, 520, 626, 662, 780, 939, 993, 1252, 1324, 1560, 1565, 1655, 1878, 1986, 2504, 2648, 3130, 3310, 3756, 3972, 4069, 4303, 4695, 4965, 6260, 6620, 7512, 7944, 8138, 8606, 9390, 9930, 12207, 12520, 12909, 13240, 16276, 17212, 18780, 19860, 20345, 21515, 24414, 25818, 32552, 34424, 37560, 39720, 40690, 43030, 48828, 51636, 61035, 64545, 81380, 86060, 97656, 103272, 103603, 122070, 129090, 162760, 172120, 207206, 244140, 258180, 310809, 414412, 488280, 516360, 518015, 621618, 828824, 1036030, 1243236, 1346839, 1554045, 2072060, 2486472, 2693678, 3108090, 4040517, 4144120, 5387356, 6216180, 6734195, 8081034, 10774712, 12432360, 13468390, 16162068, 20202585, 26936780, 32324136, 40405170, 53873560, 80810340, 161620680]

約数ペア:

[(1, 161620680), (2, 80810340), (3, 53873560), (4, 40405170), (5, 32324136), (6, 26936780), (8, 20202585), (10, 16162068), (12, 13468390), (13, 12432360), (15, 10774712), (20, 8081034), (24, 6734195), (26, 6216180), (30, 5387356), (39, 4144120), (40, 4040517), (52, 3108090), (60, 2693678), (65, 2486472), (78, 2072060), (104, 1554045), (120, 1346839), (130, 1243236), (156, 1036030), (195, 828824), (260, 621618), (312, 518015), (313, 516360), (331, 488280), (390, 414412), (520, 310809), (626, 258180), (662, 244140), (780, 207206), (939, 172120), (993, 162760), (1252, 129090), (1324, 122070), (1560, 103603), (1565, 103272), (1655, 97656), (1878, 86060), (1986, 81380), (2504, 64545), (2648, 61035), (3130, 51636), (3310, 48828), (3756, 43030), (3972, 40690), (4069, 39720), (4303, 37560), (4695, 34424), (4965, 32552), (6260, 25818), (6620, 24414), (7512, 21515), (7944, 20345), (8138, 19860), (8606, 18780), (9390, 17212), (9930, 16276), (12207, 13240), (12520, 12909)]