65040800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 144

約数和(自身を含む): 182800800

約数和(自身を除く): 117760000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 160, 176, 190, 200, 209, 220, 275, 304, 352, 380, 389, 400, 418, 440, 475, 550, 608, 760, 778, 800, 836, 880, 950, 1045, 1100, 1520, 1556, 1672, 1760, 1900, 1945, 2090, 2200, 3040, 3112, 3344, 3800, 3890, 4180, 4279, 4400, 5225, 6224, 6688, 7391, 7600, 7780, 8360, 8558, 8800, 9725, 10450, 12448, 14782, 15200, 15560, 16720, 17116, 19450, 20900, 21395, 29564, 31120, 33440, 34232, 36955, 38900, 41800, 42790, 59128, 62240, 68464, 73910, 77800, 81301, 83600, 85580, 106975, 118256, 136928, 147820, 155600, 162602, 167200, 171160, 184775, 213950, 236512, 295640, 311200, 325204, 342320, 369550, 406505, 427900, 591280, 650408, 684640, 739100, 813010, 855800, 1182560, 1300816, 1478200, 1626020, 1711600, 2032525, 2601632, 2956400, 3252040, 3423200, 4065050, 5912800, 6504080, 8130100, 13008160, 16260200, 32520400, 65040800]

約数ペア:

[(1, 65040800), (2, 32520400), (4, 16260200), (5, 13008160), (8, 8130100), (10, 6504080), (11, 5912800), (16, 4065050), (19, 3423200), (20, 3252040), (22, 2956400), (25, 2601632), (32, 2032525), (38, 1711600), (40, 1626020), (44, 1478200), (50, 1300816), (55, 1182560), (76, 855800), (80, 813010), (88, 739100), (95, 684640), (100, 650408), (110, 591280), (152, 427900), (160, 406505), (176, 369550), (190, 342320), (200, 325204), (209, 311200), (220, 295640), (275, 236512), (304, 213950), (352, 184775), (380, 171160), (389, 167200), (400, 162602), (418, 155600), (440, 147820), (475, 136928), (550, 118256), (608, 106975), (760, 85580), (778, 83600), (800, 81301), (836, 77800), (880, 73910), (950, 68464), (1045, 62240), (1100, 59128), (1520, 42790), (1556, 41800), (1672, 38900), (1760, 36955), (1900, 34232), (1945, 33440), (2090, 31120), (2200, 29564), (3040, 21395), (3112, 20900), (3344, 19450), (3800, 17116), (3890, 16720), (4180, 15560), (4279, 15200), (4400, 14782), (5225, 12448), (6224, 10450), (6688, 9725), (7391, 8800), (7600, 8558), (7780, 8360)]