156428440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 418037760

約数和(自身を除く): 261609320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 83, 106, 127, 140, 166, 212, 254, 265, 280, 332, 371, 415, 424, 508, 530, 581, 635, 664, 742, 830, 889, 1016, 1060, 1162, 1270, 1484, 1660, 1778, 1855, 2120, 2324, 2540, 2905, 2968, 3320, 3556, 3710, 4399, 4445, 4648, 5080, 5810, 6731, 7112, 7420, 8798, 8890, 10541, 11620, 13462, 14840, 17596, 17780, 21082, 21995, 23240, 26924, 30793, 33655, 35192, 35560, 42164, 43990, 47117, 52705, 53848, 61586, 67310, 73787, 84328, 87980, 94234, 105410, 123172, 134620, 147574, 153965, 175960, 188468, 210820, 235585, 246344, 269240, 295148, 307930, 368935, 376936, 421640, 471170, 558673, 590296, 615860, 737870, 942340, 1117346, 1231720, 1475740, 1884680, 2234692, 2793365, 2951480, 3910711, 4469384, 5586730, 7821422, 11173460, 15642844, 19553555, 22346920, 31285688, 39107110, 78214220, 156428440]

約数ペア:

[(1, 156428440), (2, 78214220), (4, 39107110), (5, 31285688), (7, 22346920), (8, 19553555), (10, 15642844), (14, 11173460), (20, 7821422), (28, 5586730), (35, 4469384), (40, 3910711), (53, 2951480), (56, 2793365), (70, 2234692), (83, 1884680), (106, 1475740), (127, 1231720), (140, 1117346), (166, 942340), (212, 737870), (254, 615860), (265, 590296), (280, 558673), (332, 471170), (371, 421640), (415, 376936), (424, 368935), (508, 307930), (530, 295148), (581, 269240), (635, 246344), (664, 235585), (742, 210820), (830, 188468), (889, 175960), (1016, 153965), (1060, 147574), (1162, 134620), (1270, 123172), (1484, 105410), (1660, 94234), (1778, 87980), (1855, 84328), (2120, 73787), (2324, 67310), (2540, 61586), (2905, 53848), (2968, 52705), (3320, 47117), (3556, 43990), (3710, 42164), (4399, 35560), (4445, 35192), (4648, 33655), (5080, 30793), (5810, 26924), (6731, 23240), (7112, 21995), (7420, 21082), (8798, 17780), (8890, 17596), (10541, 14840), (11620, 13462)]