128754240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1980

約数の個数: 112

約数和(自身を含む): 414771840

約数和(自身を除く): 286017600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 142, 160, 192, 213, 240, 284, 320, 355, 426, 480, 568, 710, 852, 960, 1065, 1136, 1420, 1704, 1889, 2130, 2272, 2840, 3408, 3778, 4260, 4544, 5667, 5680, 6816, 7556, 8520, 9445, 11334, 11360, 13632, 15112, 17040, 18890, 22668, 22720, 28335, 30224, 34080, 37780, 45336, 56670, 60448, 68160, 75560, 90672, 113340, 120896, 134119, 151120, 181344, 226680, 268238, 302240, 362688, 402357, 453360, 536476, 604480, 670595, 804714, 906720, 1072952, 1341190, 1609428, 1813440, 2011785, 2145904, 2682380, 3218856, 4023570, 4291808, 5364760, 6437712, 8047140, 8583616, 10729520, 12875424, 16094280, 21459040, 25750848, 32188560, 42918080, 64377120, 128754240]

約数ペア:

[(1, 128754240), (2, 64377120), (3, 42918080), (4, 32188560), (5, 25750848), (6, 21459040), (8, 16094280), (10, 12875424), (12, 10729520), (15, 8583616), (16, 8047140), (20, 6437712), (24, 5364760), (30, 4291808), (32, 4023570), (40, 3218856), (48, 2682380), (60, 2145904), (64, 2011785), (71, 1813440), (80, 1609428), (96, 1341190), (120, 1072952), (142, 906720), (160, 804714), (192, 670595), (213, 604480), (240, 536476), (284, 453360), (320, 402357), (355, 362688), (426, 302240), (480, 268238), (568, 226680), (710, 181344), (852, 151120), (960, 134119), (1065, 120896), (1136, 113340), (1420, 90672), (1704, 75560), (1889, 68160), (2130, 60448), (2272, 56670), (2840, 45336), (3408, 37780), (3778, 34080), (4260, 30224), (4544, 28335), (5667, 22720), (5680, 22668), (6816, 18890), (7556, 17040), (8520, 15112), (9445, 13632), (11334, 11360)]