31391820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{953}}^1$

素因数の和:1032

約数の個数: 96

約数和(自身を含む): 99368640

約数和(自身を除く): 67976820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 610, 732, 915, 953, 1098, 1220, 1647, 1830, 1906, 2196, 2745, 2859, 3294, 3660, 3812, 4765, 5490, 5718, 6588, 8235, 8577, 9530, 10980, 11436, 14295, 16470, 17154, 19060, 25731, 28590, 32940, 34308, 42885, 51462, 57180, 58133, 85770, 102924, 116266, 128655, 171540, 174399, 232532, 257310, 290665, 348798, 514620, 523197, 581330, 697596, 871995, 1046394, 1162660, 1569591, 1743990, 2092788, 2615985, 3139182, 3487980, 5231970, 6278364, 7847955, 10463940, 15695910, 31391820]

約数ペア:

[(1, 31391820), (2, 15695910), (3, 10463940), (4, 7847955), (5, 6278364), (6, 5231970), (9, 3487980), (10, 3139182), (12, 2615985), (15, 2092788), (18, 1743990), (20, 1569591), (27, 1162660), (30, 1046394), (36, 871995), (45, 697596), (54, 581330), (60, 523197), (61, 514620), (90, 348798), (108, 290665), (122, 257310), (135, 232532), (180, 174399), (183, 171540), (244, 128655), (270, 116266), (305, 102924), (366, 85770), (540, 58133), (549, 57180), (610, 51462), (732, 42885), (915, 34308), (953, 32940), (1098, 28590), (1220, 25731), (1647, 19060), (1830, 17154), (1906, 16470), (2196, 14295), (2745, 11436), (2859, 10980), (3294, 9530), (3660, 8577), (3812, 8235), (4765, 6588), (5490, 5718)]