320867820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1085

約数の個数: 288

約数和(自身を含む): 1262177280

約数和(自身を除く): 941309460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 741, 780, 798, 819, 855, 910, 988, 1031, 1092, 1140, 1170, 1197, 1235, 1260, 1330, 1365, 1482, 1596, 1638, 1710, 1729, 1820, 1995, 2062, 2223, 2340, 2394, 2470, 2660, 2730, 2964, 3093, 3276, 3420, 3458, 3705, 3990, 4095, 4124, 4446, 4788, 4940, 5155, 5187, 5460, 5985, 6186, 6916, 7217, 7410, 7980, 8190, 8645, 8892, 9279, 10310, 10374, 11115, 11970, 12372, 13403, 14434, 14820, 15465, 15561, 16380, 17290, 18558, 19589, 20620, 20748, 21651, 22230, 23940, 25935, 26806, 28868, 30930, 31122, 34580, 36085, 37116, 39178, 40209, 43302, 44460, 46395, 51870, 53612, 58767, 61860, 62244, 64953, 67015, 72170, 77805, 78356, 80418, 86604, 92790, 93821, 97945, 103740, 108255, 117534, 120627, 129906, 134030, 137123, 144340, 155610, 160836, 176301, 185580, 187642, 195890, 201045, 216510, 235068, 241254, 254657, 259812, 268060, 274246, 281463, 293835, 311220, 324765, 352602, 375284, 391780, 402090, 411369, 433020, 469105, 482508, 509314, 548492, 562926, 587670, 603135, 649530, 685615, 705204, 763971, 804180, 822738, 844389, 881505, 938210, 1018628, 1125852, 1175340, 1206270, 1234107, 1273285, 1299060, 1371230, 1407315, 1527942, 1645476, 1688778, 1763010, 1782599, 1876420, 2056845, 2291913, 2412540, 2468214, 2546570, 2742460, 2814630, 3055884, 3377556, 3526020, 3565198, 3819855, 4113690, 4221945, 4583826, 4936428, 5093140, 5347797, 5629260, 6170535, 7130396, 7639710, 8227380, 8443890, 8912995, 9167652, 10695594, 11459565, 12341070, 15279420, 16043391, 16887780, 17825990, 21391188, 22919130, 24682140, 26738985, 32086782, 35651980, 45838260, 53477970, 64173564, 80216955, 106955940, 160433910, 320867820]

約数ペア:

[(1, 320867820), (2, 160433910), (3, 106955940), (4, 80216955), (5, 64173564), (6, 53477970), (7, 45838260), (9, 35651980), (10, 32086782), (12, 26738985), (13, 24682140), (14, 22919130), (15, 21391188), (18, 17825990), (19, 16887780), (20, 16043391), (21, 15279420), (26, 12341070), (28, 11459565), (30, 10695594), (35, 9167652), (36, 8912995), (38, 8443890), (39, 8227380), (42, 7639710), (45, 7130396), (52, 6170535), (57, 5629260), (60, 5347797), (63, 5093140), (65, 4936428), (70, 4583826), (76, 4221945), (78, 4113690), (84, 3819855), (90, 3565198), (91, 3526020), (95, 3377556), (105, 3055884), (114, 2814630), (117, 2742460), (126, 2546570), (130, 2468214), (133, 2412540), (140, 2291913), (156, 2056845), (171, 1876420), (180, 1782599), (182, 1763010), (190, 1688778), (195, 1645476), (210, 1527942), (228, 1407315), (234, 1371230), (247, 1299060), (252, 1273285), (260, 1234107), (266, 1206270), (273, 1175340), (285, 1125852), (315, 1018628), (342, 938210), (364, 881505), (380, 844389), (390, 822738), (399, 804180), (420, 763971), (455, 705204), (468, 685615), (494, 649530), (532, 603135), (546, 587670), (570, 562926), (585, 548492), (630, 509314), (665, 482508), (684, 469105), (741, 433020), (780, 411369), (798, 402090), (819, 391780), (855, 375284), (910, 352602), (988, 324765), (1031, 311220), (1092, 293835), (1140, 281463), (1170, 274246), (1197, 268060), (1235, 259812), (1260, 254657), (1330, 241254), (1365, 235068), (1482, 216510), (1596, 201045), (1638, 195890), (1710, 187642), (1729, 185580), (1820, 176301), (1995, 160836), (2062, 155610), (2223, 144340), (2340, 137123), (2394, 134030), (2470, 129906), (2660, 120627), (2730, 117534), (2964, 108255), (3093, 103740), (3276, 97945), (3420, 93821), (3458, 92790), (3705, 86604), (3990, 80418), (4095, 78356), (4124, 77805), (4446, 72170), (4788, 67015), (4940, 64953), (5155, 62244), (5187, 61860), (5460, 58767), (5985, 53612), (6186, 51870), (6916, 46395), (7217, 44460), (7410, 43302), (7980, 40209), (8190, 39178), (8645, 37116), (8892, 36085), (9279, 34580), (10310, 31122), (10374, 30930), (11115, 28868), (11970, 26806), (12372, 25935), (13403, 23940), (14434, 22230), (14820, 21651), (15465, 20748), (15561, 20620), (16380, 19589), (17290, 18558)]