64994280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 213736320

約数和(自身を除く): 148742040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 305, 312, 366, 390, 488, 520, 610, 683, 732, 780, 793, 915, 1220, 1366, 1464, 1560, 1586, 1830, 2049, 2379, 2440, 2732, 3172, 3415, 3660, 3965, 4098, 4758, 5464, 6344, 6830, 7320, 7930, 8196, 8879, 9516, 10245, 11895, 13660, 15860, 16392, 17758, 19032, 20490, 23790, 26637, 27320, 31720, 35516, 40980, 41663, 44395, 47580, 53274, 71032, 81960, 83326, 88790, 95160, 106548, 124989, 133185, 166652, 177580, 208315, 213096, 249978, 266370, 333304, 355160, 416630, 499956, 532740, 541619, 624945, 833260, 999912, 1065480, 1083238, 1249890, 1624857, 1666520, 2166476, 2499780, 2708095, 3249714, 4332952, 4999560, 5416190, 6499428, 8124285, 10832380, 12998856, 16248570, 21664760, 32497140, 64994280]

約数ペア:

[(1, 64994280), (2, 32497140), (3, 21664760), (4, 16248570), (5, 12998856), (6, 10832380), (8, 8124285), (10, 6499428), (12, 5416190), (13, 4999560), (15, 4332952), (20, 3249714), (24, 2708095), (26, 2499780), (30, 2166476), (39, 1666520), (40, 1624857), (52, 1249890), (60, 1083238), (61, 1065480), (65, 999912), (78, 833260), (104, 624945), (120, 541619), (122, 532740), (130, 499956), (156, 416630), (183, 355160), (195, 333304), (244, 266370), (260, 249978), (305, 213096), (312, 208315), (366, 177580), (390, 166652), (488, 133185), (520, 124989), (610, 106548), (683, 95160), (732, 88790), (780, 83326), (793, 81960), (915, 71032), (1220, 53274), (1366, 47580), (1464, 44395), (1560, 41663), (1586, 40980), (1830, 35516), (2049, 31720), (2379, 27320), (2440, 26637), (2732, 23790), (3172, 20490), (3415, 19032), (3660, 17758), (3965, 16392), (4098, 15860), (4758, 13660), (5464, 11895), (6344, 10245), (6830, 9516), (7320, 8879), (7930, 8196)]