66877720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1017

約数の個数: 128

約数和(自身を含む): 195148800

約数和(自身を除く): 128271080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 967, 988, 1064, 1235, 1330, 1729, 1820, 1934, 1976, 2470, 2660, 3458, 3640, 3868, 4835, 4940, 5320, 6769, 6916, 7736, 8645, 9670, 9880, 12571, 13538, 13832, 17290, 18373, 19340, 25142, 27076, 33845, 34580, 36746, 38680, 50284, 54152, 62855, 67690, 69160, 73492, 87997, 91865, 100568, 125710, 128611, 135380, 146984, 175994, 183730, 238849, 251420, 257222, 270760, 351988, 367460, 439985, 477698, 502840, 514444, 643055, 703976, 734920, 879970, 955396, 1028888, 1194245, 1286110, 1671943, 1759940, 1910792, 2388490, 2572220, 3343886, 3519880, 4776980, 5144440, 6687772, 8359715, 9553960, 13375544, 16719430, 33438860, 66877720]

約数ペア:

[(1, 66877720), (2, 33438860), (4, 16719430), (5, 13375544), (7, 9553960), (8, 8359715), (10, 6687772), (13, 5144440), (14, 4776980), (19, 3519880), (20, 3343886), (26, 2572220), (28, 2388490), (35, 1910792), (38, 1759940), (40, 1671943), (52, 1286110), (56, 1194245), (65, 1028888), (70, 955396), (76, 879970), (91, 734920), (95, 703976), (104, 643055), (130, 514444), (133, 502840), (140, 477698), (152, 439985), (182, 367460), (190, 351988), (247, 270760), (260, 257222), (266, 251420), (280, 238849), (364, 183730), (380, 175994), (455, 146984), (494, 135380), (520, 128611), (532, 125710), (665, 100568), (728, 91865), (760, 87997), (910, 73492), (967, 69160), (988, 67690), (1064, 62855), (1235, 54152), (1330, 50284), (1729, 38680), (1820, 36746), (1934, 34580), (1976, 33845), (2470, 27076), (2660, 25142), (3458, 19340), (3640, 18373), (3868, 17290), (4835, 13832), (4940, 13538), (5320, 12571), (6769, 9880), (6916, 9670), (7736, 8645)]