79518420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23251}}^1$

素因数の和:23285

約数の個数: 72

約数和(自身を含む): 253911840

約数和(自身を除く): 174393420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23251, 46502, 69753, 93004, 116255, 139506, 209259, 232510, 279012, 348765, 418518, 441769, 465020, 697530, 837036, 883538, 1046295, 1325307, 1395060, 1767076, 2092590, 2208845, 2650614, 3975921, 4185180, 4417690, 5301228, 6626535, 7951842, 8835380, 13253070, 15903684, 19879605, 26506140, 39759210, 79518420]

約数ペア:

[(1, 79518420), (2, 39759210), (3, 26506140), (4, 19879605), (5, 15903684), (6, 13253070), (9, 8835380), (10, 7951842), (12, 6626535), (15, 5301228), (18, 4417690), (19, 4185180), (20, 3975921), (30, 2650614), (36, 2208845), (38, 2092590), (45, 1767076), (57, 1395060), (60, 1325307), (76, 1046295), (90, 883538), (95, 837036), (114, 697530), (171, 465020), (180, 441769), (190, 418518), (228, 348765), (285, 279012), (342, 232510), (380, 209259), (570, 139506), (684, 116255), (855, 93004), (1140, 69753), (1710, 46502), (3420, 23251)]