16691820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 49533120

約数和(自身を除く): 32841300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 53, 58, 60, 87, 106, 116, 145, 159, 174, 181, 212, 265, 290, 318, 348, 362, 435, 530, 543, 580, 636, 724, 795, 870, 905, 1060, 1086, 1537, 1590, 1740, 1810, 2172, 2715, 3074, 3180, 3620, 4611, 5249, 5430, 6148, 7685, 9222, 9593, 10498, 10860, 15370, 15747, 18444, 19186, 20996, 23055, 26245, 28779, 30740, 31494, 38372, 46110, 47965, 52490, 57558, 62988, 78735, 92220, 95930, 104980, 115116, 143895, 157470, 191860, 278197, 287790, 314940, 556394, 575580, 834591, 1112788, 1390985, 1669182, 2781970, 3338364, 4172955, 5563940, 8345910, 16691820]

約数ペア:

[(1, 16691820), (2, 8345910), (3, 5563940), (4, 4172955), (5, 3338364), (6, 2781970), (10, 1669182), (12, 1390985), (15, 1112788), (20, 834591), (29, 575580), (30, 556394), (53, 314940), (58, 287790), (60, 278197), (87, 191860), (106, 157470), (116, 143895), (145, 115116), (159, 104980), (174, 95930), (181, 92220), (212, 78735), (265, 62988), (290, 57558), (318, 52490), (348, 47965), (362, 46110), (435, 38372), (530, 31494), (543, 30740), (580, 28779), (636, 26245), (724, 23055), (795, 20996), (870, 19186), (905, 18444), (1060, 15747), (1086, 15370), (1537, 10860), (1590, 10498), (1740, 9593), (1810, 9222), (2172, 7685), (2715, 6148), (3074, 5430), (3180, 5249), (3620, 4611)]