251832840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:580

約数の個数: 256

約数和(自身を含む): 940032000

約数和(自身を除く): 688199160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 280, 285, 310, 372, 380, 399, 420, 434, 456, 465, 509, 532, 570, 589, 620, 651, 665, 744, 760, 798, 840, 868, 930, 1018, 1064, 1085, 1140, 1178, 1240, 1302, 1330, 1527, 1596, 1736, 1767, 1860, 1995, 2036, 2170, 2280, 2356, 2545, 2604, 2660, 2945, 3054, 3192, 3255, 3534, 3563, 3720, 3990, 4072, 4123, 4340, 4712, 5090, 5208, 5320, 5890, 6108, 6510, 7068, 7126, 7635, 7980, 8246, 8680, 8835, 9671, 10180, 10689, 11780, 12216, 12369, 13020, 14136, 14252, 15270, 15779, 15960, 16492, 17670, 17815, 19342, 20360, 20615, 21378, 23560, 24738, 26040, 28504, 29013, 30540, 31558, 32984, 35340, 35630, 38684, 41230, 42756, 47337, 48355, 49476, 53445, 58026, 61080, 61845, 63116, 67697, 70680, 71260, 77368, 78895, 82460, 85512, 94674, 96710, 98952, 106890, 110453, 116052, 123690, 126232, 135394, 142520, 145065, 157790, 164920, 189348, 193420, 203091, 213780, 220906, 232104, 236685, 247380, 270788, 290130, 299801, 315580, 331359, 338485, 378696, 386840, 406182, 427560, 441812, 473370, 494760, 541576, 552265, 580260, 599602, 631160, 662718, 676970, 812364, 883624, 899403, 946740, 1015455, 1104530, 1160520, 1199204, 1325436, 1353940, 1499005, 1624728, 1656795, 1798806, 1893480, 2030910, 2098607, 2209060, 2398408, 2650872, 2707880, 2998010, 3313590, 3597612, 4061820, 4197214, 4418120, 4497015, 5996020, 6295821, 6627180, 7195224, 8123640, 8394428, 8994030, 10493035, 11992040, 12591642, 13254360, 16788856, 17988060, 20986070, 25183284, 31479105, 35976120, 41972140, 50366568, 62958210, 83944280, 125916420, 251832840]

約数ペア:

[(1, 251832840), (2, 125916420), (3, 83944280), (4, 62958210), (5, 50366568), (6, 41972140), (7, 35976120), (8, 31479105), (10, 25183284), (12, 20986070), (14, 17988060), (15, 16788856), (19, 13254360), (20, 12591642), (21, 11992040), (24, 10493035), (28, 8994030), (30, 8394428), (31, 8123640), (35, 7195224), (38, 6627180), (40, 6295821), (42, 5996020), (56, 4497015), (57, 4418120), (60, 4197214), (62, 4061820), (70, 3597612), (76, 3313590), (84, 2998010), (93, 2707880), (95, 2650872), (105, 2398408), (114, 2209060), (120, 2098607), (124, 2030910), (133, 1893480), (140, 1798806), (152, 1656795), (155, 1624728), (168, 1499005), (186, 1353940), (190, 1325436), (210, 1199204), (217, 1160520), (228, 1104530), (248, 1015455), (266, 946740), (280, 899403), (285, 883624), (310, 812364), (372, 676970), (380, 662718), (399, 631160), (420, 599602), (434, 580260), (456, 552265), (465, 541576), (509, 494760), (532, 473370), (570, 441812), (589, 427560), (620, 406182), (651, 386840), (665, 378696), (744, 338485), (760, 331359), (798, 315580), (840, 299801), (868, 290130), (930, 270788), (1018, 247380), (1064, 236685), (1085, 232104), (1140, 220906), (1178, 213780), (1240, 203091), (1302, 193420), (1330, 189348), (1527, 164920), (1596, 157790), (1736, 145065), (1767, 142520), (1860, 135394), (1995, 126232), (2036, 123690), (2170, 116052), (2280, 110453), (2356, 106890), (2545, 98952), (2604, 96710), (2660, 94674), (2945, 85512), (3054, 82460), (3192, 78895), (3255, 77368), (3534, 71260), (3563, 70680), (3720, 67697), (3990, 63116), (4072, 61845), (4123, 61080), (4340, 58026), (4712, 53445), (5090, 49476), (5208, 48355), (5320, 47337), (5890, 42756), (6108, 41230), (6510, 38684), (7068, 35630), (7126, 35340), (7635, 32984), (7980, 31558), (8246, 30540), (8680, 29013), (8835, 28504), (9671, 26040), (10180, 24738), (10689, 23560), (11780, 21378), (12216, 20615), (12369, 20360), (13020, 19342), (14136, 17815), (14252, 17670), (15270, 16492), (15779, 15960)]