657321210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:930

約数の個数: 256

約数和(自身を含む): 2229534720

約数和(自身を除く): 1572213510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 31, 35, 39, 42, 45, 54, 62, 63, 65, 70, 78, 90, 91, 93, 105, 117, 126, 130, 135, 155, 182, 186, 189, 195, 210, 217, 234, 270, 273, 279, 310, 315, 351, 378, 390, 403, 434, 455, 465, 546, 558, 585, 630, 651, 702, 806, 819, 837, 863, 910, 930, 945, 1085, 1170, 1209, 1302, 1365, 1395, 1638, 1674, 1726, 1755, 1890, 1953, 2015, 2170, 2418, 2457, 2589, 2730, 2790, 2821, 3255, 3510, 3627, 3906, 4030, 4095, 4185, 4315, 4914, 5178, 5642, 5859, 6041, 6045, 6510, 7254, 7767, 8190, 8370, 8463, 8630, 9765, 10881, 11219, 11718, 12082, 12090, 12285, 12945, 14105, 15534, 16926, 18123, 18135, 19530, 21762, 22438, 23301, 24570, 25389, 25890, 26753, 28210, 29295, 30205, 33657, 36246, 36270, 38835, 42315, 46602, 50778, 53506, 54369, 54405, 56095, 58590, 60410, 67314, 76167, 77670, 78533, 80259, 84630, 90615, 100971, 108738, 108810, 112190, 116505, 126945, 133765, 152334, 157066, 160518, 163107, 168285, 181230, 187271, 201942, 233010, 235599, 240777, 253890, 267530, 271845, 302913, 326214, 336570, 347789, 374542, 380835, 392665, 401295, 471198, 481554, 504855, 543690, 561813, 605826, 695578, 706797, 722331, 761670, 785330, 802590, 815535, 936355, 1009710, 1043367, 1123626, 1177995, 1203885, 1413594, 1444662, 1514565, 1631070, 1685439, 1738945, 1872710, 2086734, 2120391, 2355990, 2407770, 2434523, 2809065, 3029130, 3130101, 3370878, 3477890, 3533985, 3611655, 4240782, 4869046, 5056317, 5216835, 5618130, 6260202, 7067970, 7223310, 7303569, 8427195, 9390303, 10112634, 10433670, 10601955, 12172615, 14607138, 15650505, 16854390, 18780606, 21203910, 21910707, 24345230, 25281585, 31301010, 36517845, 43821414, 46951515, 50563170, 65732121, 73035690, 93903030, 109553535, 131464242, 219107070, 328660605, 657321210]

約数ペア:

[(1, 657321210), (2, 328660605), (3, 219107070), (5, 131464242), (6, 109553535), (7, 93903030), (9, 73035690), (10, 65732121), (13, 50563170), (14, 46951515), (15, 43821414), (18, 36517845), (21, 31301010), (26, 25281585), (27, 24345230), (30, 21910707), (31, 21203910), (35, 18780606), (39, 16854390), (42, 15650505), (45, 14607138), (54, 12172615), (62, 10601955), (63, 10433670), (65, 10112634), (70, 9390303), (78, 8427195), (90, 7303569), (91, 7223310), (93, 7067970), (105, 6260202), (117, 5618130), (126, 5216835), (130, 5056317), (135, 4869046), (155, 4240782), (182, 3611655), (186, 3533985), (189, 3477890), (195, 3370878), (210, 3130101), (217, 3029130), (234, 2809065), (270, 2434523), (273, 2407770), (279, 2355990), (310, 2120391), (315, 2086734), (351, 1872710), (378, 1738945), (390, 1685439), (403, 1631070), (434, 1514565), (455, 1444662), (465, 1413594), (546, 1203885), (558, 1177995), (585, 1123626), (630, 1043367), (651, 1009710), (702, 936355), (806, 815535), (819, 802590), (837, 785330), (863, 761670), (910, 722331), (930, 706797), (945, 695578), (1085, 605826), (1170, 561813), (1209, 543690), (1302, 504855), (1365, 481554), (1395, 471198), (1638, 401295), (1674, 392665), (1726, 380835), (1755, 374542), (1890, 347789), (1953, 336570), (2015, 326214), (2170, 302913), (2418, 271845), (2457, 267530), (2589, 253890), (2730, 240777), (2790, 235599), (2821, 233010), (3255, 201942), (3510, 187271), (3627, 181230), (3906, 168285), (4030, 163107), (4095, 160518), (4185, 157066), (4315, 152334), (4914, 133765), (5178, 126945), (5642, 116505), (5859, 112190), (6041, 108810), (6045, 108738), (6510, 100971), (7254, 90615), (7767, 84630), (8190, 80259), (8370, 78533), (8463, 77670), (8630, 76167), (9765, 67314), (10881, 60410), (11219, 58590), (11718, 56095), (12082, 54405), (12090, 54369), (12285, 53506), (12945, 50778), (14105, 46602), (15534, 42315), (16926, 38835), (18123, 36270), (18135, 36246), (19530, 33657), (21762, 30205), (22438, 29295), (23301, 28210), (24570, 26753), (25389, 25890)]