2155971090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 256

約数和(自身を含む): 6618931200

約数和(自身を除く): 4462960110

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 71, 78, 91, 98, 105, 130, 142, 147, 182, 195, 210, 213, 227, 245, 273, 294, 343, 355, 390, 426, 454, 455, 490, 497, 546, 637, 681, 686, 710, 735, 910, 923, 994, 1029, 1065, 1135, 1274, 1362, 1365, 1470, 1491, 1589, 1715, 1846, 1911, 2058, 2130, 2270, 2485, 2730, 2769, 2951, 2982, 3178, 3185, 3405, 3430, 3479, 3822, 4459, 4615, 4767, 4970, 5145, 5538, 5902, 6370, 6461, 6810, 6958, 7455, 7945, 8853, 8918, 9230, 9534, 9555, 10290, 10437, 11123, 12922, 13377, 13845, 14755, 14910, 15890, 16117, 17395, 17706, 19110, 19383, 20657, 20874, 22246, 22295, 23835, 24353, 26754, 27690, 29510, 32234, 32305, 33369, 34790, 38766, 41314, 44265, 44590, 45227, 47670, 48351, 48706, 52185, 55615, 61971, 64610, 66738, 66885, 73059, 77861, 80585, 88530, 90454, 96702, 96915, 103285, 104370, 111230, 112819, 121765, 123942, 133770, 135681, 144599, 146118, 155722, 161170, 166845, 193830, 206570, 209521, 225638, 226135, 233583, 241755, 243530, 271362, 289198, 309855, 316589, 333690, 338457, 365295, 389305, 419042, 433797, 452270, 467166, 483510, 564095, 619710, 628563, 633178, 676914, 678405, 722995, 730590, 778610, 789733, 867594, 949767, 1012193, 1047605, 1128190, 1167915, 1257126, 1356810, 1445990, 1466647, 1579466, 1582945, 1692285, 1899534, 2024386, 2095210, 2168985, 2335830, 2369199, 2933294, 3036579, 3142815, 3165890, 3384570, 3948665, 4337970, 4399941, 4738398, 4748835, 5060965, 5528131, 6073158, 6285630, 7333235, 7897330, 8799882, 9497670, 10121930, 10266529, 11056262, 11845995, 14666470, 15182895, 16584393, 20533058, 21999705, 23691990, 27640655, 30365790, 30799587, 33168786, 43999410, 51332645, 55281310, 61599174, 71865703, 82921965, 102665290, 143731406, 153997935, 165843930, 215597109, 307995870, 359328515, 431194218, 718657030, 1077985545, 2155971090]

約数ペア:

[(1, 2155971090), (2, 1077985545), (3, 718657030), (5, 431194218), (6, 359328515), (7, 307995870), (10, 215597109), (13, 165843930), (14, 153997935), (15, 143731406), (21, 102665290), (26, 82921965), (30, 71865703), (35, 61599174), (39, 55281310), (42, 51332645), (49, 43999410), (65, 33168786), (70, 30799587), (71, 30365790), (78, 27640655), (91, 23691990), (98, 21999705), (105, 20533058), (130, 16584393), (142, 15182895), (147, 14666470), (182, 11845995), (195, 11056262), (210, 10266529), (213, 10121930), (227, 9497670), (245, 8799882), (273, 7897330), (294, 7333235), (343, 6285630), (355, 6073158), (390, 5528131), (426, 5060965), (454, 4748835), (455, 4738398), (490, 4399941), (497, 4337970), (546, 3948665), (637, 3384570), (681, 3165890), (686, 3142815), (710, 3036579), (735, 2933294), (910, 2369199), (923, 2335830), (994, 2168985), (1029, 2095210), (1065, 2024386), (1135, 1899534), (1274, 1692285), (1362, 1582945), (1365, 1579466), (1470, 1466647), (1491, 1445990), (1589, 1356810), (1715, 1257126), (1846, 1167915), (1911, 1128190), (2058, 1047605), (2130, 1012193), (2270, 949767), (2485, 867594), (2730, 789733), (2769, 778610), (2951, 730590), (2982, 722995), (3178, 678405), (3185, 676914), (3405, 633178), (3430, 628563), (3479, 619710), (3822, 564095), (4459, 483510), (4615, 467166), (4767, 452270), (4970, 433797), (5145, 419042), (5538, 389305), (5902, 365295), (6370, 338457), (6461, 333690), (6810, 316589), (6958, 309855), (7455, 289198), (7945, 271362), (8853, 243530), (8918, 241755), (9230, 233583), (9534, 226135), (9555, 225638), (10290, 209521), (10437, 206570), (11123, 193830), (12922, 166845), (13377, 161170), (13845, 155722), (14755, 146118), (14910, 144599), (15890, 135681), (16117, 133770), (17395, 123942), (17706, 121765), (19110, 112819), (19383, 111230), (20657, 104370), (20874, 103285), (22246, 96915), (22295, 96702), (23835, 90454), (24353, 88530), (26754, 80585), (27690, 77861), (29510, 73059), (32234, 66885), (32305, 66738), (33369, 64610), (34790, 61971), (38766, 55615), (41314, 52185), (44265, 48706), (44590, 48351), (45227, 47670)]