77683520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 112

約数和(自身を含む): 196632576

約数和(自身を除く): 118949056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 191, 205, 248, 310, 320, 328, 382, 410, 496, 620, 656, 764, 820, 955, 992, 1240, 1271, 1312, 1528, 1640, 1910, 1984, 2480, 2542, 2624, 3056, 3280, 3820, 4960, 5084, 5921, 6112, 6355, 6560, 7640, 7831, 9920, 10168, 11842, 12224, 12710, 13120, 15280, 15662, 20336, 23684, 25420, 29605, 30560, 31324, 39155, 40672, 47368, 50840, 59210, 61120, 62648, 78310, 81344, 94736, 101680, 118420, 125296, 156620, 189472, 203360, 236840, 242761, 250592, 313240, 378944, 406720, 473680, 485522, 501184, 626480, 947360, 971044, 1213805, 1252960, 1894720, 1942088, 2427610, 2505920, 3884176, 4855220, 7768352, 9710440, 15536704, 19420880, 38841760, 77683520]

約数ペア:

[(1, 77683520), (2, 38841760), (4, 19420880), (5, 15536704), (8, 9710440), (10, 7768352), (16, 4855220), (20, 3884176), (31, 2505920), (32, 2427610), (40, 1942088), (41, 1894720), (62, 1252960), (64, 1213805), (80, 971044), (82, 947360), (124, 626480), (155, 501184), (160, 485522), (164, 473680), (191, 406720), (205, 378944), (248, 313240), (310, 250592), (320, 242761), (328, 236840), (382, 203360), (410, 189472), (496, 156620), (620, 125296), (656, 118420), (764, 101680), (820, 94736), (955, 81344), (992, 78310), (1240, 62648), (1271, 61120), (1312, 59210), (1528, 50840), (1640, 47368), (1910, 40672), (1984, 39155), (2480, 31324), (2542, 30560), (2624, 29605), (3056, 25420), (3280, 23684), (3820, 20336), (4960, 15662), (5084, 15280), (5921, 13120), (6112, 12710), (6355, 12224), (6560, 11842), (7640, 10168), (7831, 9920)]