638006760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{5521}}^1$

素因数の和:5648

約数の個数: 128

約数和(自身を含む): 2146953600

約数和(自身を除く): 1508946840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 107, 108, 120, 135, 180, 214, 216, 270, 321, 360, 428, 535, 540, 642, 856, 963, 1070, 1080, 1284, 1605, 1926, 2140, 2568, 2889, 3210, 3852, 4280, 4815, 5521, 5778, 6420, 7704, 9630, 11042, 11556, 12840, 14445, 16563, 19260, 22084, 23112, 27605, 28890, 33126, 38520, 44168, 49689, 55210, 57780, 66252, 82815, 99378, 110420, 115560, 132504, 149067, 165630, 198756, 220840, 248445, 298134, 331260, 397512, 496890, 590747, 596268, 662520, 745335, 993780, 1181494, 1192536, 1490670, 1772241, 1987560, 2362988, 2953735, 2981340, 3544482, 4725976, 5316723, 5907470, 5962680, 7088964, 8861205, 10633446, 11814940, 14177928, 15950169, 17722410, 21266892, 23629880, 26583615, 31900338, 35444820, 42533784, 53167230, 63800676, 70889640, 79750845, 106334460, 127601352, 159501690, 212668920, 319003380, 638006760]

約数ペア:

[(1, 638006760), (2, 319003380), (3, 212668920), (4, 159501690), (5, 127601352), (6, 106334460), (8, 79750845), (9, 70889640), (10, 63800676), (12, 53167230), (15, 42533784), (18, 35444820), (20, 31900338), (24, 26583615), (27, 23629880), (30, 21266892), (36, 17722410), (40, 15950169), (45, 14177928), (54, 11814940), (60, 10633446), (72, 8861205), (90, 7088964), (107, 5962680), (108, 5907470), (120, 5316723), (135, 4725976), (180, 3544482), (214, 2981340), (216, 2953735), (270, 2362988), (321, 1987560), (360, 1772241), (428, 1490670), (535, 1192536), (540, 1181494), (642, 993780), (856, 745335), (963, 662520), (1070, 596268), (1080, 590747), (1284, 496890), (1605, 397512), (1926, 331260), (2140, 298134), (2568, 248445), (2889, 220840), (3210, 198756), (3852, 165630), (4280, 149067), (4815, 132504), (5521, 115560), (5778, 110420), (6420, 99378), (7704, 82815), (9630, 66252), (11042, 57780), (11556, 55210), (12840, 49689), (14445, 44168), (16563, 38520), (19260, 33126), (22084, 28890), (23112, 27605)]