42831320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 118540800

約数和(自身を除く): 75709480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 83, 95, 97, 133, 140, 152, 166, 190, 194, 266, 280, 332, 380, 388, 415, 485, 532, 581, 664, 665, 679, 760, 776, 830, 970, 1064, 1162, 1330, 1358, 1577, 1660, 1843, 1940, 2324, 2660, 2716, 2905, 3154, 3320, 3395, 3686, 3880, 4648, 5320, 5432, 5810, 6308, 6790, 7372, 7885, 8051, 9215, 11039, 11620, 12616, 12901, 13580, 14744, 15770, 16102, 18430, 22078, 23240, 25802, 27160, 31540, 32204, 36860, 40255, 44156, 51604, 55195, 56357, 63080, 64408, 64505, 73720, 80510, 88312, 103208, 110390, 112714, 129010, 152969, 161020, 220780, 225428, 258020, 281785, 305938, 322040, 441560, 450856, 516040, 563570, 611876, 764845, 1070783, 1127140, 1223752, 1529690, 2141566, 2254280, 3059380, 4283132, 5353915, 6118760, 8566264, 10707830, 21415660, 42831320]

約数ペア:

[(1, 42831320), (2, 21415660), (4, 10707830), (5, 8566264), (7, 6118760), (8, 5353915), (10, 4283132), (14, 3059380), (19, 2254280), (20, 2141566), (28, 1529690), (35, 1223752), (38, 1127140), (40, 1070783), (56, 764845), (70, 611876), (76, 563570), (83, 516040), (95, 450856), (97, 441560), (133, 322040), (140, 305938), (152, 281785), (166, 258020), (190, 225428), (194, 220780), (266, 161020), (280, 152969), (332, 129010), (380, 112714), (388, 110390), (415, 103208), (485, 88312), (532, 80510), (581, 73720), (664, 64505), (665, 64408), (679, 63080), (760, 56357), (776, 55195), (830, 51604), (970, 44156), (1064, 40255), (1162, 36860), (1330, 32204), (1358, 31540), (1577, 27160), (1660, 25802), (1843, 23240), (1940, 22078), (2324, 18430), (2660, 16102), (2716, 15770), (2905, 14744), (3154, 13580), (3320, 12901), (3395, 12616), (3686, 11620), (3880, 11039), (4648, 9215), (5320, 8051), (5432, 7885), (5810, 7372), (6308, 6790)]