81886960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3169}}^1$

素因数の和:3218

約数の個数: 80

約数和(自身を含む): 212263200

約数和(自身を除く): 130376240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3169, 3230, 5168, 6338, 6460, 12676, 12920, 15845, 25352, 25840, 31690, 50704, 53873, 60211, 63380, 107746, 120422, 126760, 215492, 240844, 253520, 269365, 301055, 430984, 481688, 538730, 602110, 861968, 963376, 1023587, 1077460, 1204220, 2047174, 2154920, 2408440, 4094348, 4309840, 4816880, 5117935, 8188696, 10235870, 16377392, 20471740, 40943480, 81886960]

約数ペア:

[(1, 81886960), (2, 40943480), (4, 20471740), (5, 16377392), (8, 10235870), (10, 8188696), (16, 5117935), (17, 4816880), (19, 4309840), (20, 4094348), (34, 2408440), (38, 2154920), (40, 2047174), (68, 1204220), (76, 1077460), (80, 1023587), (85, 963376), (95, 861968), (136, 602110), (152, 538730), (170, 481688), (190, 430984), (272, 301055), (304, 269365), (323, 253520), (340, 240844), (380, 215492), (646, 126760), (680, 120422), (760, 107746), (1292, 63380), (1360, 60211), (1520, 53873), (1615, 50704), (2584, 31690), (3169, 25840), (3230, 25352), (5168, 15845), (6338, 12920), (6460, 12676)]