72576580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 169989120

約数和(自身を除く): 97412540

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 61, 62, 76, 95, 101, 122, 124, 155, 190, 202, 244, 305, 310, 380, 404, 505, 589, 610, 620, 1010, 1159, 1178, 1220, 1891, 1919, 2020, 2318, 2356, 2945, 3131, 3782, 3838, 4636, 5795, 5890, 6161, 6262, 7564, 7676, 9455, 9595, 11590, 11780, 12322, 12524, 15655, 18910, 19190, 23180, 24644, 30805, 31310, 35929, 37820, 38380, 59489, 61610, 62620, 71858, 117059, 118978, 123220, 143716, 179645, 190991, 234118, 237956, 297445, 359290, 381982, 468236, 585295, 594890, 718580, 763964, 954955, 1170590, 1189780, 1909910, 2341180, 3628829, 3819820, 7257658, 14515316, 18144145, 36288290, 72576580]

約数ペア:

[(1, 72576580), (2, 36288290), (4, 18144145), (5, 14515316), (10, 7257658), (19, 3819820), (20, 3628829), (31, 2341180), (38, 1909910), (61, 1189780), (62, 1170590), (76, 954955), (95, 763964), (101, 718580), (122, 594890), (124, 585295), (155, 468236), (190, 381982), (202, 359290), (244, 297445), (305, 237956), (310, 234118), (380, 190991), (404, 179645), (505, 143716), (589, 123220), (610, 118978), (620, 117059), (1010, 71858), (1159, 62620), (1178, 61610), (1220, 59489), (1891, 38380), (1919, 37820), (2020, 35929), (2318, 31310), (2356, 30805), (2945, 24644), (3131, 23180), (3782, 19190), (3838, 18910), (4636, 15655), (5795, 12524), (5890, 12322), (6161, 11780), (6262, 11590), (7564, 9595), (7676, 9455)]