1337156920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 3472761600

約数和(自身を除く): 2135604680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 307, 380, 418, 440, 521, 614, 760, 836, 1042, 1045, 1228, 1535, 1672, 2084, 2090, 2456, 2605, 3070, 3377, 4168, 4180, 5210, 5731, 5833, 6140, 6754, 8360, 9899, 10420, 11462, 11666, 12280, 13508, 16885, 19798, 20840, 22924, 23332, 27016, 28655, 29165, 33770, 39596, 45848, 46664, 49495, 57310, 58330, 64163, 67540, 79192, 98990, 108889, 114620, 116660, 128326, 135080, 159947, 197980, 217778, 229240, 233320, 256652, 319894, 320815, 395960, 435556, 513304, 544445, 639788, 641630, 799735, 871112, 1088890, 1279576, 1283260, 1599470, 1759417, 2177780, 2566520, 3038993, 3198940, 3518834, 4355560, 6077986, 6397880, 7037668, 8797085, 12155972, 14075336, 15194965, 17594170, 24311944, 30389930, 33428923, 35188340, 60779860, 66857846, 70376680, 121559720, 133715692, 167144615, 267431384, 334289230, 668578460, 1337156920]

約数ペア:

[(1, 1337156920), (2, 668578460), (4, 334289230), (5, 267431384), (8, 167144615), (10, 133715692), (11, 121559720), (19, 70376680), (20, 66857846), (22, 60779860), (38, 35188340), (40, 33428923), (44, 30389930), (55, 24311944), (76, 17594170), (88, 15194965), (95, 14075336), (110, 12155972), (152, 8797085), (190, 7037668), (209, 6397880), (220, 6077986), (307, 4355560), (380, 3518834), (418, 3198940), (440, 3038993), (521, 2566520), (614, 2177780), (760, 1759417), (836, 1599470), (1042, 1283260), (1045, 1279576), (1228, 1088890), (1535, 871112), (1672, 799735), (2084, 641630), (2090, 639788), (2456, 544445), (2605, 513304), (3070, 435556), (3377, 395960), (4168, 320815), (4180, 319894), (5210, 256652), (5731, 233320), (5833, 229240), (6140, 217778), (6754, 197980), (8360, 159947), (9899, 135080), (10420, 128326), (11462, 116660), (11666, 114620), (12280, 108889), (13508, 98990), (16885, 79192), (19798, 67540), (20840, 64163), (22924, 58330), (23332, 57310), (27016, 49495), (28655, 46664), (29165, 45848), (33770, 39596)]