28802280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 95760000

約数和(自身を除く): 66957720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 499, 520, 555, 740, 780, 888, 962, 998, 1110, 1443, 1480, 1497, 1560, 1924, 1996, 2220, 2405, 2495, 2886, 2994, 3848, 3992, 4440, 4810, 4990, 5772, 5988, 6487, 7215, 7485, 9620, 9980, 11544, 11976, 12974, 14430, 14970, 18463, 19240, 19461, 19960, 25948, 28860, 29940, 32435, 36926, 38922, 51896, 55389, 57720, 59880, 64870, 73852, 77844, 92315, 97305, 110778, 129740, 147704, 155688, 184630, 194610, 221556, 240019, 259480, 276945, 369260, 389220, 443112, 480038, 553890, 720057, 738520, 778440, 960076, 1107780, 1200095, 1440114, 1920152, 2215560, 2400190, 2880228, 3600285, 4800380, 5760456, 7200570, 9600760, 14401140, 28802280]

約数ペア:

[(1, 28802280), (2, 14401140), (3, 9600760), (4, 7200570), (5, 5760456), (6, 4800380), (8, 3600285), (10, 2880228), (12, 2400190), (13, 2215560), (15, 1920152), (20, 1440114), (24, 1200095), (26, 1107780), (30, 960076), (37, 778440), (39, 738520), (40, 720057), (52, 553890), (60, 480038), (65, 443112), (74, 389220), (78, 369260), (104, 276945), (111, 259480), (120, 240019), (130, 221556), (148, 194610), (156, 184630), (185, 155688), (195, 147704), (222, 129740), (260, 110778), (296, 97305), (312, 92315), (370, 77844), (390, 73852), (444, 64870), (481, 59880), (499, 57720), (520, 55389), (555, 51896), (740, 38922), (780, 36926), (888, 32435), (962, 29940), (998, 28860), (1110, 25948), (1443, 19960), (1480, 19461), (1497, 19240), (1560, 18463), (1924, 14970), (1996, 14430), (2220, 12974), (2405, 11976), (2495, 11544), (2886, 9980), (2994, 9620), (3848, 7485), (3992, 7215), (4440, 6487), (4810, 5988), (4990, 5772)]