81385968

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{383}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 222842880

約数和(自身を除く): 141456912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 233, 304, 383, 456, 466, 699, 766, 912, 932, 1149, 1398, 1532, 1864, 2298, 2796, 3064, 3728, 4427, 4596, 5592, 6128, 7277, 8854, 9192, 11184, 13281, 14554, 17708, 18384, 21831, 26562, 29108, 35416, 43662, 53124, 58216, 70832, 87324, 89239, 106248, 116432, 174648, 178478, 212496, 267717, 349296, 356956, 535434, 713912, 1070868, 1427824, 1695541, 2141736, 3391082, 4283472, 5086623, 6782164, 10173246, 13564328, 20346492, 27128656, 40692984, 81385968]

約数ペア:

[(1, 81385968), (2, 40692984), (3, 27128656), (4, 20346492), (6, 13564328), (8, 10173246), (12, 6782164), (16, 5086623), (19, 4283472), (24, 3391082), (38, 2141736), (48, 1695541), (57, 1427824), (76, 1070868), (114, 713912), (152, 535434), (228, 356956), (233, 349296), (304, 267717), (383, 212496), (456, 178478), (466, 174648), (699, 116432), (766, 106248), (912, 89239), (932, 87324), (1149, 70832), (1398, 58216), (1532, 53124), (1864, 43662), (2298, 35416), (2796, 29108), (3064, 26562), (3728, 21831), (4427, 18384), (4596, 17708), (5592, 14554), (6128, 13281), (7277, 11184), (8854, 9192)]