31263180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 95256000

約数和(自身を除く): 63992820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 269, 298, 390, 447, 538, 596, 745, 780, 807, 894, 1076, 1345, 1490, 1614, 1788, 1937, 2235, 2690, 2980, 3228, 3497, 3874, 4035, 4470, 5380, 5811, 6994, 7748, 8070, 8940, 9685, 10491, 11622, 13988, 16140, 17485, 19370, 20982, 23244, 29055, 34970, 38740, 40081, 41964, 52455, 58110, 69940, 80162, 104910, 116220, 120243, 160324, 200405, 209820, 240486, 400810, 480972, 521053, 601215, 801620, 1042106, 1202430, 1563159, 2084212, 2404860, 2605265, 3126318, 5210530, 6252636, 7815795, 10421060, 15631590, 31263180]

約数ペア:

[(1, 31263180), (2, 15631590), (3, 10421060), (4, 7815795), (5, 6252636), (6, 5210530), (10, 3126318), (12, 2605265), (13, 2404860), (15, 2084212), (20, 1563159), (26, 1202430), (30, 1042106), (39, 801620), (52, 601215), (60, 521053), (65, 480972), (78, 400810), (130, 240486), (149, 209820), (156, 200405), (195, 160324), (260, 120243), (269, 116220), (298, 104910), (390, 80162), (447, 69940), (538, 58110), (596, 52455), (745, 41964), (780, 40081), (807, 38740), (894, 34970), (1076, 29055), (1345, 23244), (1490, 20982), (1614, 19370), (1788, 17485), (1937, 16140), (2235, 13988), (2690, 11622), (2980, 10491), (3228, 9685), (3497, 8940), (3874, 8070), (4035, 7748), (4470, 6994), (5380, 5811)]