17963945720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:506

約数の個数: 256

約数和(自身を含む): 48996679680

約数和(自身を除く): 31032733960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 103, 124, 140, 142, 155, 206, 217, 248, 280, 283, 284, 310, 355, 412, 434, 497, 515, 566, 568, 620, 710, 721, 824, 868, 994, 1030, 1085, 1132, 1240, 1415, 1420, 1442, 1736, 1981, 1988, 2060, 2170, 2201, 2264, 2485, 2830, 2840, 2884, 3193, 3605, 3962, 3976, 4120, 4340, 4402, 4970, 5660, 5768, 6386, 7210, 7313, 7924, 8680, 8773, 8804, 9905, 9940, 11005, 11320, 12772, 14420, 14626, 15407, 15848, 15965, 17546, 17608, 19810, 19880, 20093, 22010, 22351, 25544, 28840, 29149, 29252, 30814, 31930, 35092, 36565, 39620, 40186, 43865, 44020, 44702, 51191, 58298, 58504, 61411, 61628, 63860, 70184, 73130, 77035, 79240, 80372, 87730, 88040, 89404, 100465, 102382, 111755, 116596, 122822, 123256, 127720, 140651, 145745, 146260, 154070, 160744, 175460, 178808, 200930, 204043, 204764, 223510, 226703, 233192, 245644, 255955, 281302, 291490, 292520, 307055, 308140, 350920, 401860, 408086, 409528, 447020, 453406, 491288, 511910, 562604, 582980, 614110, 616280, 622883, 703255, 803720, 816172, 894040, 903619, 906812, 1020215, 1023820, 1125208, 1133515, 1165960, 1228220, 1245766, 1406510, 1586921, 1632344, 1807238, 1813624, 2040430, 2047640, 2069579, 2267030, 2456440, 2491532, 2813020, 3114415, 3173842, 3614476, 4080860, 4139158, 4360181, 4518095, 4534060, 4983064, 5626040, 6228830, 6325333, 6347684, 7228952, 7934605, 8161720, 8278316, 8720362, 9036190, 9068120, 10347895, 12457660, 12650666, 12695368, 14487053, 15869210, 16556632, 17440724, 18072380, 20695790, 21800905, 24915320, 25301332, 28974106, 31626665, 31738420, 34881448, 36144760, 41391580, 43601810, 50602664, 57948212, 63253330, 63476840, 64156949, 72435265, 82783160, 87203620, 115896424, 126506660, 128313898, 144870530, 174407240, 253013320, 256627796, 289741060, 320784745, 449098643, 513255592, 579482120, 641569490, 898197286, 1283138980, 1796394572, 2245493215, 2566277960, 3592789144, 4490986430, 8981972860, 17963945720]

約数ペア:

[(1, 17963945720), (2, 8981972860), (4, 4490986430), (5, 3592789144), (7, 2566277960), (8, 2245493215), (10, 1796394572), (14, 1283138980), (20, 898197286), (28, 641569490), (31, 579482120), (35, 513255592), (40, 449098643), (56, 320784745), (62, 289741060), (70, 256627796), (71, 253013320), (103, 174407240), (124, 144870530), (140, 128313898), (142, 126506660), (155, 115896424), (206, 87203620), (217, 82783160), (248, 72435265), (280, 64156949), (283, 63476840), (284, 63253330), (310, 57948212), (355, 50602664), (412, 43601810), (434, 41391580), (497, 36144760), (515, 34881448), (566, 31738420), (568, 31626665), (620, 28974106), (710, 25301332), (721, 24915320), (824, 21800905), (868, 20695790), (994, 18072380), (1030, 17440724), (1085, 16556632), (1132, 15869210), (1240, 14487053), (1415, 12695368), (1420, 12650666), (1442, 12457660), (1736, 10347895), (1981, 9068120), (1988, 9036190), (2060, 8720362), (2170, 8278316), (2201, 8161720), (2264, 7934605), (2485, 7228952), (2830, 6347684), (2840, 6325333), (2884, 6228830), (3193, 5626040), (3605, 4983064), (3962, 4534060), (3976, 4518095), (4120, 4360181), (4340, 4139158), (4402, 4080860), (4970, 3614476), (5660, 3173842), (5768, 3114415), (6386, 2813020), (7210, 2491532), (7313, 2456440), (7924, 2267030), (8680, 2069579), (8773, 2047640), (8804, 2040430), (9905, 1813624), (9940, 1807238), (11005, 1632344), (11320, 1586921), (12772, 1406510), (14420, 1245766), (14626, 1228220), (15407, 1165960), (15848, 1133515), (15965, 1125208), (17546, 1023820), (17608, 1020215), (19810, 906812), (19880, 903619), (20093, 894040), (22010, 816172), (22351, 803720), (25544, 703255), (28840, 622883), (29149, 616280), (29252, 614110), (30814, 582980), (31930, 562604), (35092, 511910), (36565, 491288), (39620, 453406), (40186, 447020), (43865, 409528), (44020, 408086), (44702, 401860), (51191, 350920), (58298, 308140), (58504, 307055), (61411, 292520), (61628, 291490), (63860, 281302), (70184, 255955), (73130, 245644), (77035, 233192), (79240, 226703), (80372, 223510), (87730, 204764), (88040, 204043), (89404, 200930), (100465, 178808), (102382, 175460), (111755, 160744), (116596, 154070), (122822, 146260), (123256, 145745), (127720, 140651)]