64445280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 215986176

約数和(自身を除く): 151540896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 61, 62, 71, 80, 93, 96, 120, 122, 124, 142, 155, 160, 183, 186, 213, 240, 244, 248, 284, 305, 310, 355, 366, 372, 426, 465, 480, 488, 496, 568, 610, 620, 710, 732, 744, 852, 915, 930, 976, 992, 1065, 1136, 1220, 1240, 1420, 1464, 1488, 1704, 1830, 1860, 1891, 1952, 2130, 2201, 2272, 2440, 2480, 2840, 2928, 2976, 3408, 3660, 3720, 3782, 4260, 4331, 4402, 4880, 4960, 5673, 5680, 5856, 6603, 6816, 7320, 7440, 7564, 8520, 8662, 8804, 9455, 9760, 11005, 11346, 11360, 12993, 13206, 14640, 14880, 15128, 17040, 17324, 17608, 18910, 21655, 22010, 22692, 25986, 26412, 28365, 29280, 30256, 33015, 34080, 34648, 35216, 37820, 43310, 44020, 45384, 51972, 52824, 56730, 60512, 64965, 66030, 69296, 70432, 75640, 86620, 88040, 90768, 103944, 105648, 113460, 129930, 132060, 134261, 138592, 151280, 173240, 176080, 181536, 207888, 211296, 226920, 259860, 264120, 268522, 302560, 346480, 352160, 402783, 415776, 453840, 519720, 528240, 537044, 671305, 692960, 805566, 907680, 1039440, 1056480, 1074088, 1342610, 1611132, 2013915, 2078880, 2148176, 2685220, 3222264, 4027830, 4296352, 5370440, 6444528, 8055660, 10740880, 12889056, 16111320, 21481760, 32222640, 64445280]

約数ペア:

[(1, 64445280), (2, 32222640), (3, 21481760), (4, 16111320), (5, 12889056), (6, 10740880), (8, 8055660), (10, 6444528), (12, 5370440), (15, 4296352), (16, 4027830), (20, 3222264), (24, 2685220), (30, 2148176), (31, 2078880), (32, 2013915), (40, 1611132), (48, 1342610), (60, 1074088), (61, 1056480), (62, 1039440), (71, 907680), (80, 805566), (93, 692960), (96, 671305), (120, 537044), (122, 528240), (124, 519720), (142, 453840), (155, 415776), (160, 402783), (183, 352160), (186, 346480), (213, 302560), (240, 268522), (244, 264120), (248, 259860), (284, 226920), (305, 211296), (310, 207888), (355, 181536), (366, 176080), (372, 173240), (426, 151280), (465, 138592), (480, 134261), (488, 132060), (496, 129930), (568, 113460), (610, 105648), (620, 103944), (710, 90768), (732, 88040), (744, 86620), (852, 75640), (915, 70432), (930, 69296), (976, 66030), (992, 64965), (1065, 60512), (1136, 56730), (1220, 52824), (1240, 51972), (1420, 45384), (1464, 44020), (1488, 43310), (1704, 37820), (1830, 35216), (1860, 34648), (1891, 34080), (1952, 33015), (2130, 30256), (2201, 29280), (2272, 28365), (2440, 26412), (2480, 25986), (2840, 22692), (2928, 22010), (2976, 21655), (3408, 18910), (3660, 17608), (3720, 17324), (3782, 17040), (4260, 15128), (4331, 14880), (4402, 14640), (4880, 13206), (4960, 12993), (5673, 11360), (5680, 11346), (5856, 11005), (6603, 9760), (6816, 9455), (7320, 8804), (7440, 8662), (7564, 8520)]