154161440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 409587192

約数和(自身を除く): 255425752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 157, 160, 170, 190, 272, 304, 314, 323, 340, 361, 380, 544, 608, 628, 646, 680, 722, 760, 785, 1256, 1292, 1360, 1444, 1520, 1570, 1615, 1805, 2512, 2584, 2669, 2720, 2888, 2983, 3040, 3140, 3230, 3610, 5024, 5168, 5338, 5776, 5966, 6137, 6280, 6460, 7220, 10336, 10676, 11552, 11932, 12274, 12560, 12920, 13345, 14440, 14915, 21352, 23864, 24548, 25120, 25840, 26690, 28880, 29830, 30685, 42704, 47728, 49096, 50711, 51680, 53380, 56677, 57760, 59660, 61370, 85408, 95456, 98192, 101422, 106760, 113354, 119320, 122740, 196384, 202844, 213520, 226708, 238640, 245480, 253555, 283385, 405688, 427040, 453416, 477280, 490960, 507110, 566770, 811376, 906832, 963509, 981920, 1014220, 1133540, 1622752, 1813664, 1927018, 2028440, 2267080, 3854036, 4056880, 4534160, 4817545, 7708072, 8113760, 9068320, 9635090, 15416144, 19270180, 30832288, 38540360, 77080720, 154161440]

約数ペア:

[(1, 154161440), (2, 77080720), (4, 38540360), (5, 30832288), (8, 19270180), (10, 15416144), (16, 9635090), (17, 9068320), (19, 8113760), (20, 7708072), (32, 4817545), (34, 4534160), (38, 4056880), (40, 3854036), (68, 2267080), (76, 2028440), (80, 1927018), (85, 1813664), (95, 1622752), (136, 1133540), (152, 1014220), (157, 981920), (160, 963509), (170, 906832), (190, 811376), (272, 566770), (304, 507110), (314, 490960), (323, 477280), (340, 453416), (361, 427040), (380, 405688), (544, 283385), (608, 253555), (628, 245480), (646, 238640), (680, 226708), (722, 213520), (760, 202844), (785, 196384), (1256, 122740), (1292, 119320), (1360, 113354), (1444, 106760), (1520, 101422), (1570, 98192), (1615, 95456), (1805, 85408), (2512, 61370), (2584, 59660), (2669, 57760), (2720, 56677), (2888, 53380), (2983, 51680), (3040, 50711), (3140, 49096), (3230, 47728), (3610, 42704), (5024, 30685), (5168, 29830), (5338, 28880), (5776, 26690), (5966, 25840), (6137, 25120), (6280, 24548), (6460, 23864), (7220, 21352), (10336, 14915), (10676, 14440), (11552, 13345), (11932, 12920), (12274, 12560)]