31540080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:959

約数の個数: 160

約数和(自身を含む): 114992640

約数和(自身を除く): 83452560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 390, 429, 440, 520, 528, 572, 624, 660, 715, 780, 858, 880, 919, 1040, 1144, 1320, 1430, 1560, 1716, 1838, 2145, 2288, 2640, 2757, 2860, 3120, 3432, 3676, 4290, 4595, 5514, 5720, 6864, 7352, 8580, 9190, 10109, 11028, 11440, 11947, 13785, 14704, 17160, 18380, 20218, 22056, 23894, 27570, 30327, 34320, 35841, 36760, 40436, 44112, 47788, 50545, 55140, 59735, 60654, 71682, 73520, 80872, 95576, 101090, 110280, 119470, 121308, 131417, 143364, 151635, 161744, 179205, 191152, 202180, 220560, 238940, 242616, 262834, 286728, 303270, 358410, 394251, 404360, 477880, 485232, 525668, 573456, 606540, 657085, 716820, 788502, 808720, 955760, 1051336, 1213080, 1314170, 1433640, 1577004, 1971255, 2102672, 2426160, 2628340, 2867280, 3154008, 3942510, 5256680, 6308016, 7885020, 10513360, 15770040, 31540080]

約数ペア:

[(1, 31540080), (2, 15770040), (3, 10513360), (4, 7885020), (5, 6308016), (6, 5256680), (8, 3942510), (10, 3154008), (11, 2867280), (12, 2628340), (13, 2426160), (15, 2102672), (16, 1971255), (20, 1577004), (22, 1433640), (24, 1314170), (26, 1213080), (30, 1051336), (33, 955760), (39, 808720), (40, 788502), (44, 716820), (48, 657085), (52, 606540), (55, 573456), (60, 525668), (65, 485232), (66, 477880), (78, 404360), (80, 394251), (88, 358410), (104, 303270), (110, 286728), (120, 262834), (130, 242616), (132, 238940), (143, 220560), (156, 202180), (165, 191152), (176, 179205), (195, 161744), (208, 151635), (220, 143364), (240, 131417), (260, 121308), (264, 119470), (286, 110280), (312, 101090), (330, 95576), (390, 80872), (429, 73520), (440, 71682), (520, 60654), (528, 59735), (572, 55140), (624, 50545), (660, 47788), (715, 44112), (780, 40436), (858, 36760), (880, 35841), (919, 34320), (1040, 30327), (1144, 27570), (1320, 23894), (1430, 22056), (1560, 20218), (1716, 18380), (1838, 17160), (2145, 14704), (2288, 13785), (2640, 11947), (2757, 11440), (2860, 11028), (3120, 10109), (3432, 9190), (3676, 8580), (4290, 7352), (4595, 6864), (5514, 5720)]