12678380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 108

約数和(自身を含む): 32711616

約数和(自身を除く): 20033236

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 121, 124, 130, 143, 155, 169, 220, 242, 260, 286, 310, 338, 341, 403, 484, 572, 605, 620, 676, 682, 715, 806, 845, 1210, 1364, 1430, 1573, 1612, 1690, 1705, 1859, 2015, 2420, 2860, 3146, 3380, 3410, 3718, 3751, 4030, 4433, 5239, 6292, 6820, 7436, 7502, 7865, 8060, 8866, 9295, 10478, 15004, 15730, 17732, 18590, 18755, 20449, 20956, 22165, 26195, 31460, 37180, 37510, 40898, 44330, 48763, 52390, 57629, 75020, 81796, 88660, 97526, 102245, 104780, 115258, 195052, 204490, 230516, 243815, 288145, 408980, 487630, 576290, 633919, 975260, 1152580, 1267838, 2535676, 3169595, 6339190, 12678380]

約数ペア:

[(1, 12678380), (2, 6339190), (4, 3169595), (5, 2535676), (10, 1267838), (11, 1152580), (13, 975260), (20, 633919), (22, 576290), (26, 487630), (31, 408980), (44, 288145), (52, 243815), (55, 230516), (62, 204490), (65, 195052), (110, 115258), (121, 104780), (124, 102245), (130, 97526), (143, 88660), (155, 81796), (169, 75020), (220, 57629), (242, 52390), (260, 48763), (286, 44330), (310, 40898), (338, 37510), (341, 37180), (403, 31460), (484, 26195), (572, 22165), (605, 20956), (620, 20449), (676, 18755), (682, 18590), (715, 17732), (806, 15730), (845, 15004), (1210, 10478), (1364, 9295), (1430, 8866), (1573, 8060), (1612, 7865), (1690, 7502), (1705, 7436), (1859, 6820), (2015, 6292), (2420, 5239), (2860, 4433), (3146, 4030), (3380, 3751), (3410, 3718)]