640412136

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1117

約数の個数: 256

約数和(自身を含む): 2262220800

約数和(自身を除く): 1621808664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 31, 36, 39, 42, 52, 54, 56, 62, 63, 72, 78, 84, 91, 93, 104, 108, 117, 124, 126, 156, 168, 182, 186, 189, 216, 217, 234, 248, 252, 273, 279, 312, 351, 364, 372, 378, 403, 434, 468, 504, 546, 558, 651, 702, 728, 744, 756, 806, 819, 837, 868, 936, 1051, 1092, 1116, 1209, 1302, 1404, 1512, 1612, 1638, 1674, 1736, 1953, 2102, 2184, 2232, 2418, 2457, 2604, 2808, 2821, 3153, 3224, 3276, 3348, 3627, 3906, 4204, 4836, 4914, 5208, 5642, 5859, 6306, 6552, 6696, 7254, 7357, 7812, 8408, 8463, 9459, 9672, 9828, 10881, 11284, 11718, 12612, 13663, 14508, 14714, 15624, 16926, 18918, 19656, 21762, 22071, 22568, 23436, 25224, 25389, 27326, 28377, 29016, 29428, 32581, 33852, 37836, 40989, 43524, 44142, 46872, 50778, 54652, 56754, 58856, 65162, 66213, 67704, 75672, 76167, 81978, 87048, 88284, 95641, 97743, 101556, 109304, 113508, 122967, 130324, 132426, 152334, 163956, 176568, 191282, 195486, 198639, 203112, 227016, 228067, 245934, 260648, 264852, 286923, 293229, 304668, 327912, 368901, 382564, 390972, 397278, 423553, 456134, 491868, 529704, 573846, 586458, 609336, 684201, 737802, 765128, 781944, 794556, 847106, 860769, 879687, 912268, 983736, 1147692, 1172916, 1270659, 1368402, 1475604, 1589112, 1694212, 1721538, 1759374, 1824536, 2052603, 2295384, 2345832, 2541318, 2582307, 2736804, 2951208, 2964871, 3388424, 3443076, 3518748, 3811977, 4105206, 5082636, 5164614, 5473608, 5929742, 6157809, 6886152, 7037496, 7623954, 8210412, 8894613, 10165272, 10329228, 11435931, 11859484, 12315618, 15247908, 16420824, 17789226, 20658456, 22871862, 23718968, 24631236, 26683839, 30495816, 35578452, 45743724, 49262472, 53367678, 71156904, 80051517, 91487448, 106735356, 160103034, 213470712, 320206068, 640412136]

約数ペア:

[(1, 640412136), (2, 320206068), (3, 213470712), (4, 160103034), (6, 106735356), (7, 91487448), (8, 80051517), (9, 71156904), (12, 53367678), (13, 49262472), (14, 45743724), (18, 35578452), (21, 30495816), (24, 26683839), (26, 24631236), (27, 23718968), (28, 22871862), (31, 20658456), (36, 17789226), (39, 16420824), (42, 15247908), (52, 12315618), (54, 11859484), (56, 11435931), (62, 10329228), (63, 10165272), (72, 8894613), (78, 8210412), (84, 7623954), (91, 7037496), (93, 6886152), (104, 6157809), (108, 5929742), (117, 5473608), (124, 5164614), (126, 5082636), (156, 4105206), (168, 3811977), (182, 3518748), (186, 3443076), (189, 3388424), (216, 2964871), (217, 2951208), (234, 2736804), (248, 2582307), (252, 2541318), (273, 2345832), (279, 2295384), (312, 2052603), (351, 1824536), (364, 1759374), (372, 1721538), (378, 1694212), (403, 1589112), (434, 1475604), (468, 1368402), (504, 1270659), (546, 1172916), (558, 1147692), (651, 983736), (702, 912268), (728, 879687), (744, 860769), (756, 847106), (806, 794556), (819, 781944), (837, 765128), (868, 737802), (936, 684201), (1051, 609336), (1092, 586458), (1116, 573846), (1209, 529704), (1302, 491868), (1404, 456134), (1512, 423553), (1612, 397278), (1638, 390972), (1674, 382564), (1736, 368901), (1953, 327912), (2102, 304668), (2184, 293229), (2232, 286923), (2418, 264852), (2457, 260648), (2604, 245934), (2808, 228067), (2821, 227016), (3153, 203112), (3224, 198639), (3276, 195486), (3348, 191282), (3627, 176568), (3906, 163956), (4204, 152334), (4836, 132426), (4914, 130324), (5208, 122967), (5642, 113508), (5859, 109304), (6306, 101556), (6552, 97743), (6696, 95641), (7254, 88284), (7357, 87048), (7812, 81978), (8408, 76167), (8463, 75672), (9459, 67704), (9672, 66213), (9828, 65162), (10881, 58856), (11284, 56754), (11718, 54652), (12612, 50778), (13663, 46872), (14508, 44142), (14714, 43524), (15624, 40989), (16926, 37836), (18918, 33852), (19656, 32581), (21762, 29428), (22071, 29016), (22568, 28377), (23436, 27326), (25224, 25389)]