31542940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 80015040

約数和(自身を除く): 48472100

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 41, 44, 52, 55, 65, 82, 110, 130, 143, 164, 205, 220, 260, 269, 286, 410, 451, 533, 538, 572, 715, 820, 902, 1066, 1076, 1345, 1430, 1804, 2132, 2255, 2665, 2690, 2860, 2959, 3497, 4510, 5330, 5380, 5863, 5918, 6994, 9020, 10660, 11029, 11726, 11836, 13988, 14795, 17485, 22058, 23452, 29315, 29590, 34970, 38467, 44116, 55145, 58630, 59180, 69940, 76934, 110290, 117260, 121319, 143377, 153868, 192335, 220580, 242638, 286754, 384670, 485276, 573508, 606595, 716885, 769340, 1213190, 1433770, 1577147, 2426380, 2867540, 3154294, 6308588, 7885735, 15771470, 31542940]

約数ペア:

[(1, 31542940), (2, 15771470), (4, 7885735), (5, 6308588), (10, 3154294), (11, 2867540), (13, 2426380), (20, 1577147), (22, 1433770), (26, 1213190), (41, 769340), (44, 716885), (52, 606595), (55, 573508), (65, 485276), (82, 384670), (110, 286754), (130, 242638), (143, 220580), (164, 192335), (205, 153868), (220, 143377), (260, 121319), (269, 117260), (286, 110290), (410, 76934), (451, 69940), (533, 59180), (538, 58630), (572, 55145), (715, 44116), (820, 38467), (902, 34970), (1066, 29590), (1076, 29315), (1345, 23452), (1430, 22058), (1804, 17485), (2132, 14795), (2255, 13988), (2665, 11836), (2690, 11726), (2860, 11029), (2959, 10660), (3497, 9020), (4510, 6994), (5330, 5918), (5380, 5863)]