77815120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1973}}^1$

素因数の和:2032

約数の個数: 80

約数和(自身を含む): 198268560

約数和(自身を除く): 120453440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1972, 1973, 2320, 2465, 3944, 3946, 4930, 7888, 7892, 9860, 9865, 15784, 19720, 19730, 31568, 33541, 39440, 39460, 57217, 67082, 78920, 114434, 134164, 157840, 167705, 228868, 268328, 286085, 335410, 457736, 536656, 572170, 670820, 915472, 972689, 1144340, 1341640, 1945378, 2288680, 2683280, 3890756, 4577360, 4863445, 7781512, 9726890, 15563024, 19453780, 38907560, 77815120]

約数ペア:

[(1, 77815120), (2, 38907560), (4, 19453780), (5, 15563024), (8, 9726890), (10, 7781512), (16, 4863445), (17, 4577360), (20, 3890756), (29, 2683280), (34, 2288680), (40, 1945378), (58, 1341640), (68, 1144340), (80, 972689), (85, 915472), (116, 670820), (136, 572170), (145, 536656), (170, 457736), (232, 335410), (272, 286085), (290, 268328), (340, 228868), (464, 167705), (493, 157840), (580, 134164), (680, 114434), (986, 78920), (1160, 67082), (1360, 57217), (1972, 39460), (1973, 39440), (2320, 33541), (2465, 31568), (3944, 19730), (3946, 19720), (4930, 15784), (7888, 9865), (7892, 9860)]