81631600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:527

約数の個数: 120

約数和(自身を含む): 215879040

約数和(自身を除く): 134247440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 46, 50, 76, 80, 92, 95, 100, 115, 152, 184, 190, 200, 230, 304, 368, 380, 400, 437, 460, 467, 475, 575, 760, 874, 920, 934, 950, 1150, 1520, 1748, 1840, 1868, 1900, 2185, 2300, 2335, 3496, 3736, 3800, 4370, 4600, 4670, 6992, 7472, 7600, 8740, 8873, 9200, 9340, 10741, 10925, 11675, 17480, 17746, 18680, 21482, 21850, 23350, 34960, 35492, 37360, 42964, 43700, 44365, 46700, 53705, 70984, 85928, 87400, 88730, 93400, 107410, 141968, 171856, 174800, 177460, 186800, 204079, 214820, 221825, 268525, 354920, 408158, 429640, 443650, 537050, 709840, 816316, 859280, 887300, 1020395, 1074100, 1632632, 1774600, 2040790, 2148200, 3265264, 3549200, 4081580, 4296400, 5101975, 8163160, 10203950, 16326320, 20407900, 40815800, 81631600]

約数ペア:

[(1, 81631600), (2, 40815800), (4, 20407900), (5, 16326320), (8, 10203950), (10, 8163160), (16, 5101975), (19, 4296400), (20, 4081580), (23, 3549200), (25, 3265264), (38, 2148200), (40, 2040790), (46, 1774600), (50, 1632632), (76, 1074100), (80, 1020395), (92, 887300), (95, 859280), (100, 816316), (115, 709840), (152, 537050), (184, 443650), (190, 429640), (200, 408158), (230, 354920), (304, 268525), (368, 221825), (380, 214820), (400, 204079), (437, 186800), (460, 177460), (467, 174800), (475, 171856), (575, 141968), (760, 107410), (874, 93400), (920, 88730), (934, 87400), (950, 85928), (1150, 70984), (1520, 53705), (1748, 46700), (1840, 44365), (1868, 43700), (1900, 42964), (2185, 37360), (2300, 35492), (2335, 34960), (3496, 23350), (3736, 21850), (3800, 21482), (4370, 18680), (4600, 17746), (4670, 17480), (6992, 11675), (7472, 10925), (7600, 10741), (8740, 9340), (8873, 9200)]