72915960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1157

約数の個数: 128

約数和(自身を含む): 241274880

約数和(自身を除く): 168358920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1087, 1118, 1290, 1560, 1677, 1720, 2174, 2236, 2580, 2795, 3261, 3354, 4348, 4472, 5160, 5435, 5590, 6522, 6708, 8385, 8696, 10870, 11180, 13044, 13416, 14131, 16305, 16770, 21740, 22360, 26088, 28262, 32610, 33540, 42393, 43480, 46741, 56524, 65220, 67080, 70655, 84786, 93482, 113048, 130440, 140223, 141310, 169572, 186964, 211965, 233705, 280446, 282620, 339144, 373928, 423930, 467410, 560892, 565240, 607633, 701115, 847860, 934820, 1121784, 1215266, 1402230, 1695720, 1822899, 1869640, 2430532, 2804460, 3038165, 3645798, 4861064, 5608920, 6076330, 7291596, 9114495, 12152660, 14583192, 18228990, 24305320, 36457980, 72915960]

約数ペア:

[(1, 72915960), (2, 36457980), (3, 24305320), (4, 18228990), (5, 14583192), (6, 12152660), (8, 9114495), (10, 7291596), (12, 6076330), (13, 5608920), (15, 4861064), (20, 3645798), (24, 3038165), (26, 2804460), (30, 2430532), (39, 1869640), (40, 1822899), (43, 1695720), (52, 1402230), (60, 1215266), (65, 1121784), (78, 934820), (86, 847860), (104, 701115), (120, 607633), (129, 565240), (130, 560892), (156, 467410), (172, 423930), (195, 373928), (215, 339144), (258, 282620), (260, 280446), (312, 233705), (344, 211965), (390, 186964), (430, 169572), (516, 141310), (520, 140223), (559, 130440), (645, 113048), (780, 93482), (860, 84786), (1032, 70655), (1087, 67080), (1118, 65220), (1290, 56524), (1560, 46741), (1677, 43480), (1720, 42393), (2174, 33540), (2236, 32610), (2580, 28262), (2795, 26088), (3261, 22360), (3354, 21740), (4348, 16770), (4472, 16305), (5160, 14131), (5435, 13416), (5590, 13044), (6522, 11180), (6708, 10870), (8385, 8696)]