16986760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 47923200

約数和(自身を除く): 30936440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 103, 124, 133, 140, 152, 155, 190, 206, 217, 248, 266, 280, 310, 380, 412, 434, 515, 532, 589, 620, 665, 721, 760, 824, 868, 1030, 1064, 1085, 1178, 1240, 1330, 1442, 1736, 1957, 2060, 2170, 2356, 2660, 2884, 2945, 3193, 3605, 3914, 4120, 4123, 4340, 4712, 5320, 5768, 5890, 6386, 7210, 7828, 8246, 8680, 9785, 11780, 12772, 13699, 14420, 15656, 15965, 16492, 19570, 20615, 22351, 23560, 25544, 27398, 28840, 31930, 32984, 39140, 41230, 44702, 54796, 60667, 63860, 68495, 78280, 82460, 89404, 109592, 111755, 121334, 127720, 136990, 164920, 178808, 223510, 242668, 273980, 303335, 424669, 447020, 485336, 547960, 606670, 849338, 894040, 1213340, 1698676, 2123345, 2426680, 3397352, 4246690, 8493380, 16986760]

約数ペア:

[(1, 16986760), (2, 8493380), (4, 4246690), (5, 3397352), (7, 2426680), (8, 2123345), (10, 1698676), (14, 1213340), (19, 894040), (20, 849338), (28, 606670), (31, 547960), (35, 485336), (38, 447020), (40, 424669), (56, 303335), (62, 273980), (70, 242668), (76, 223510), (95, 178808), (103, 164920), (124, 136990), (133, 127720), (140, 121334), (152, 111755), (155, 109592), (190, 89404), (206, 82460), (217, 78280), (248, 68495), (266, 63860), (280, 60667), (310, 54796), (380, 44702), (412, 41230), (434, 39140), (515, 32984), (532, 31930), (589, 28840), (620, 27398), (665, 25544), (721, 23560), (760, 22351), (824, 20615), (868, 19570), (1030, 16492), (1064, 15965), (1085, 15656), (1178, 14420), (1240, 13699), (1330, 12772), (1442, 11780), (1736, 9785), (1957, 8680), (2060, 8246), (2170, 7828), (2356, 7210), (2660, 6386), (2884, 5890), (2945, 5768), (3193, 5320), (3605, 4712), (3914, 4340), (4120, 4123)]