1321904480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 288

約数和(自身を含む): 3718794240

約数和(自身を除く): 2396889760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 83, 95, 104, 124, 130, 152, 155, 160, 166, 169, 190, 208, 247, 248, 260, 304, 310, 332, 338, 380, 403, 415, 416, 494, 496, 520, 589, 608, 620, 664, 676, 760, 806, 830, 845, 988, 992, 1040, 1079, 1178, 1235, 1240, 1328, 1352, 1520, 1577, 1612, 1660, 1690, 1976, 2015, 2080, 2158, 2356, 2470, 2480, 2573, 2656, 2704, 2945, 3040, 3154, 3211, 3224, 3320, 3380, 3952, 4030, 4316, 4712, 4940, 4960, 5146, 5239, 5395, 5408, 5890, 6308, 6422, 6448, 6640, 6760, 7657, 7885, 7904, 8060, 8632, 9424, 9880, 10292, 10478, 10790, 11780, 12616, 12844, 12865, 12896, 13280, 13520, 14027, 15314, 15770, 16055, 16120, 17264, 18848, 19760, 20501, 20584, 20956, 21580, 23560, 25232, 25688, 25730, 26195, 27040, 28054, 30628, 31540, 32110, 32240, 33449, 34528, 38285, 39520, 41002, 41168, 41912, 43160, 47120, 48887, 50464, 51376, 51460, 52390, 56108, 61256, 63080, 64220, 64480, 66898, 70135, 76570, 82004, 82336, 83824, 86320, 94240, 97774, 99541, 102505, 102752, 102920, 104780, 112216, 122512, 126160, 128440, 133796, 140270, 153140, 164008, 167245, 167648, 172640, 195548, 199082, 205010, 205840, 209560, 224432, 244435, 245024, 252320, 256880, 266513, 267592, 280540, 306280, 328016, 334490, 391096, 398164, 410020, 411680, 419120, 434837, 448864, 488870, 497705, 513760, 533026, 535184, 561080, 612560, 635531, 656032, 668980, 782192, 796328, 820040, 838240, 869674, 977740, 995410, 1066052, 1070368, 1122160, 1225120, 1271062, 1332565, 1337960, 1564384, 1592656, 1640080, 1739348, 1955480, 1990820, 2132104, 2174185, 2244320, 2542124, 2665130, 2675920, 3177655, 3185312, 3280160, 3478696, 3910960, 3981640, 4264208, 4348370, 5084248, 5330260, 5351840, 6355310, 6957392, 7821920, 7963280, 8261903, 8528416, 8696740, 10168496, 10660520, 12710620, 13914784, 15926560, 16523806, 17393480, 20336992, 21321040, 25421240, 33047612, 34786960, 41309515, 42642080, 50842480, 66095224, 69573920, 82619030, 101684960, 132190448, 165238060, 264380896, 330476120, 660952240, 1321904480]

約数ペア:

[(1, 1321904480), (2, 660952240), (4, 330476120), (5, 264380896), (8, 165238060), (10, 132190448), (13, 101684960), (16, 82619030), (19, 69573920), (20, 66095224), (26, 50842480), (31, 42642080), (32, 41309515), (38, 34786960), (40, 33047612), (52, 25421240), (62, 21321040), (65, 20336992), (76, 17393480), (80, 16523806), (83, 15926560), (95, 13914784), (104, 12710620), (124, 10660520), (130, 10168496), (152, 8696740), (155, 8528416), (160, 8261903), (166, 7963280), (169, 7821920), (190, 6957392), (208, 6355310), (247, 5351840), (248, 5330260), (260, 5084248), (304, 4348370), (310, 4264208), (332, 3981640), (338, 3910960), (380, 3478696), (403, 3280160), (415, 3185312), (416, 3177655), (494, 2675920), (496, 2665130), (520, 2542124), (589, 2244320), (608, 2174185), (620, 2132104), (664, 1990820), (676, 1955480), (760, 1739348), (806, 1640080), (830, 1592656), (845, 1564384), (988, 1337960), (992, 1332565), (1040, 1271062), (1079, 1225120), (1178, 1122160), (1235, 1070368), (1240, 1066052), (1328, 995410), (1352, 977740), (1520, 869674), (1577, 838240), (1612, 820040), (1660, 796328), (1690, 782192), (1976, 668980), (2015, 656032), (2080, 635531), (2158, 612560), (2356, 561080), (2470, 535184), (2480, 533026), (2573, 513760), (2656, 497705), (2704, 488870), (2945, 448864), (3040, 434837), (3154, 419120), (3211, 411680), (3224, 410020), (3320, 398164), (3380, 391096), (3952, 334490), (4030, 328016), (4316, 306280), (4712, 280540), (4940, 267592), (4960, 266513), (5146, 256880), (5239, 252320), (5395, 245024), (5408, 244435), (5890, 224432), (6308, 209560), (6422, 205840), (6448, 205010), (6640, 199082), (6760, 195548), (7657, 172640), (7885, 167648), (7904, 167245), (8060, 164008), (8632, 153140), (9424, 140270), (9880, 133796), (10292, 128440), (10478, 126160), (10790, 122512), (11780, 112216), (12616, 104780), (12844, 102920), (12865, 102752), (12896, 102505), (13280, 99541), (13520, 97774), (14027, 94240), (15314, 86320), (15770, 83824), (16055, 82336), (16120, 82004), (17264, 76570), (18848, 70135), (19760, 66898), (20501, 64480), (20584, 64220), (20956, 63080), (21580, 61256), (23560, 56108), (25232, 52390), (25688, 51460), (25730, 51376), (26195, 50464), (27040, 48887), (28054, 47120), (30628, 43160), (31540, 41912), (32110, 41168), (32240, 41002), (33449, 39520), (34528, 38285)]