261244620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 288

約数和(自身を含む): 1001669760

約数和(自身を除く): 740425140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 41, 42, 45, 52, 60, 63, 65, 70, 78, 82, 84, 90, 91, 105, 117, 123, 126, 130, 140, 156, 164, 180, 182, 195, 205, 210, 234, 246, 252, 260, 273, 287, 315, 364, 369, 389, 390, 410, 420, 455, 468, 492, 533, 546, 574, 585, 615, 630, 738, 778, 780, 819, 820, 861, 910, 1066, 1092, 1148, 1167, 1170, 1230, 1260, 1365, 1435, 1476, 1556, 1599, 1638, 1722, 1820, 1845, 1945, 2132, 2334, 2340, 2460, 2583, 2665, 2723, 2730, 2870, 3198, 3276, 3444, 3501, 3690, 3731, 3890, 4095, 4305, 4668, 4797, 5057, 5166, 5330, 5446, 5460, 5740, 5835, 6396, 7002, 7380, 7462, 7780, 7995, 8169, 8190, 8610, 9594, 10114, 10332, 10660, 10892, 11193, 11670, 12915, 13615, 14004, 14924, 15171, 15949, 15990, 16338, 16380, 17220, 17505, 18655, 19188, 20228, 22386, 23340, 23985, 24507, 25285, 25830, 27230, 30342, 31898, 31980, 32676, 33579, 35010, 35399, 37310, 40845, 44772, 45513, 47847, 47970, 49014, 50570, 51660, 54460, 55965, 60684, 63796, 67158, 70020, 70798, 74620, 75855, 79745, 81690, 91026, 95694, 95940, 98028, 101140, 106197, 111643, 111930, 122535, 134316, 141596, 143541, 151710, 159490, 163380, 167895, 176995, 182052, 191388, 207337, 212394, 223286, 223860, 227565, 239235, 245070, 287082, 303420, 318591, 318980, 334929, 335790, 353990, 414674, 424788, 446572, 455130, 478470, 490140, 530985, 558215, 574164, 622011, 637182, 669858, 671580, 707980, 717705, 829348, 910260, 956940, 1004787, 1036685, 1061970, 1116430, 1244022, 1274364, 1339716, 1435410, 1451359, 1592955, 1674645, 1866033, 2009574, 2073370, 2123940, 2232860, 2488044, 2870820, 2902718, 3110055, 3185910, 3349290, 3732066, 4019148, 4146740, 4354077, 5023935, 5805436, 6220110, 6371820, 6698580, 7256795, 7464132, 8708154, 9330165, 10047870, 12440220, 13062231, 14513590, 17416308, 18660330, 20095740, 21770385, 26124462, 29027180, 37320660, 43540770, 52248924, 65311155, 87081540, 130622310, 261244620]

約数ペア:

[(1, 261244620), (2, 130622310), (3, 87081540), (4, 65311155), (5, 52248924), (6, 43540770), (7, 37320660), (9, 29027180), (10, 26124462), (12, 21770385), (13, 20095740), (14, 18660330), (15, 17416308), (18, 14513590), (20, 13062231), (21, 12440220), (26, 10047870), (28, 9330165), (30, 8708154), (35, 7464132), (36, 7256795), (39, 6698580), (41, 6371820), (42, 6220110), (45, 5805436), (52, 5023935), (60, 4354077), (63, 4146740), (65, 4019148), (70, 3732066), (78, 3349290), (82, 3185910), (84, 3110055), (90, 2902718), (91, 2870820), (105, 2488044), (117, 2232860), (123, 2123940), (126, 2073370), (130, 2009574), (140, 1866033), (156, 1674645), (164, 1592955), (180, 1451359), (182, 1435410), (195, 1339716), (205, 1274364), (210, 1244022), (234, 1116430), (246, 1061970), (252, 1036685), (260, 1004787), (273, 956940), (287, 910260), (315, 829348), (364, 717705), (369, 707980), (389, 671580), (390, 669858), (410, 637182), (420, 622011), (455, 574164), (468, 558215), (492, 530985), (533, 490140), (546, 478470), (574, 455130), (585, 446572), (615, 424788), (630, 414674), (738, 353990), (778, 335790), (780, 334929), (819, 318980), (820, 318591), (861, 303420), (910, 287082), (1066, 245070), (1092, 239235), (1148, 227565), (1167, 223860), (1170, 223286), (1230, 212394), (1260, 207337), (1365, 191388), (1435, 182052), (1476, 176995), (1556, 167895), (1599, 163380), (1638, 159490), (1722, 151710), (1820, 143541), (1845, 141596), (1945, 134316), (2132, 122535), (2334, 111930), (2340, 111643), (2460, 106197), (2583, 101140), (2665, 98028), (2723, 95940), (2730, 95694), (2870, 91026), (3198, 81690), (3276, 79745), (3444, 75855), (3501, 74620), (3690, 70798), (3731, 70020), (3890, 67158), (4095, 63796), (4305, 60684), (4668, 55965), (4797, 54460), (5057, 51660), (5166, 50570), (5330, 49014), (5446, 47970), (5460, 47847), (5740, 45513), (5835, 44772), (6396, 40845), (7002, 37310), (7380, 35399), (7462, 35010), (7780, 33579), (7995, 32676), (8169, 31980), (8190, 31898), (8610, 30342), (9594, 27230), (10114, 25830), (10332, 25285), (10660, 24507), (10892, 23985), (11193, 23340), (11670, 22386), (12915, 20228), (13615, 19188), (14004, 18655), (14924, 17505), (15171, 17220), (15949, 16380), (15990, 16338)]