2028778920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2657}}^1$

素因数の和:2785

約数の個数: 256

約数和(自身を含む): 7808140800

約数和(自身を除く): 5779361880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 101, 105, 108, 120, 126, 135, 140, 168, 180, 189, 202, 210, 216, 252, 270, 280, 303, 315, 360, 378, 404, 420, 504, 505, 540, 606, 630, 707, 756, 808, 840, 909, 945, 1010, 1080, 1212, 1260, 1414, 1512, 1515, 1818, 1890, 2020, 2121, 2424, 2520, 2657, 2727, 2828, 3030, 3535, 3636, 3780, 4040, 4242, 4545, 5314, 5454, 5656, 6060, 6363, 7070, 7272, 7560, 7971, 8484, 9090, 10605, 10628, 10908, 12120, 12726, 13285, 13635, 14140, 15942, 16968, 18180, 18599, 19089, 21210, 21256, 21816, 23913, 25452, 26570, 27270, 28280, 31815, 31884, 36360, 37198, 38178, 39855, 42420, 47826, 50904, 53140, 54540, 55797, 63630, 63768, 71739, 74396, 76356, 79710, 84840, 92995, 95445, 95652, 106280, 109080, 111594, 119565, 127260, 143478, 148792, 152712, 159420, 167391, 185990, 190890, 191304, 223188, 239130, 254520, 268357, 278985, 286956, 318840, 334782, 358695, 371980, 381780, 446376, 478260, 502173, 536714, 557970, 573912, 669564, 717390, 743960, 763560, 805071, 836955, 956520, 1004346, 1073428, 1115940, 1339128, 1341785, 1434780, 1610142, 1673910, 1878499, 2008692, 2146856, 2231880, 2415213, 2510865, 2683570, 2869560, 3220284, 3347820, 3756998, 4017384, 4025355, 4830426, 5021730, 5367140, 5635497, 6440568, 6695640, 7245639, 7513996, 8050710, 9392495, 9660852, 10043460, 10734280, 11270994, 12076065, 14491278, 15027992, 16101420, 16906491, 18784990, 19321704, 20086920, 22541988, 24152130, 28177485, 28982556, 32202840, 33812982, 36228195, 37569980, 45083976, 48304260, 50719473, 56354970, 57965112, 67625964, 72456390, 75139960, 84532455, 96608520, 101438946, 112709940, 135251928, 144912780, 169064910, 202877892, 225419880, 253597365, 289825560, 338129820, 405755784, 507194730, 676259640, 1014389460, 2028778920]

約数ペア:

[(1, 2028778920), (2, 1014389460), (3, 676259640), (4, 507194730), (5, 405755784), (6, 338129820), (7, 289825560), (8, 253597365), (9, 225419880), (10, 202877892), (12, 169064910), (14, 144912780), (15, 135251928), (18, 112709940), (20, 101438946), (21, 96608520), (24, 84532455), (27, 75139960), (28, 72456390), (30, 67625964), (35, 57965112), (36, 56354970), (40, 50719473), (42, 48304260), (45, 45083976), (54, 37569980), (56, 36228195), (60, 33812982), (63, 32202840), (70, 28982556), (72, 28177485), (84, 24152130), (90, 22541988), (101, 20086920), (105, 19321704), (108, 18784990), (120, 16906491), (126, 16101420), (135, 15027992), (140, 14491278), (168, 12076065), (180, 11270994), (189, 10734280), (202, 10043460), (210, 9660852), (216, 9392495), (252, 8050710), (270, 7513996), (280, 7245639), (303, 6695640), (315, 6440568), (360, 5635497), (378, 5367140), (404, 5021730), (420, 4830426), (504, 4025355), (505, 4017384), (540, 3756998), (606, 3347820), (630, 3220284), (707, 2869560), (756, 2683570), (808, 2510865), (840, 2415213), (909, 2231880), (945, 2146856), (1010, 2008692), (1080, 1878499), (1212, 1673910), (1260, 1610142), (1414, 1434780), (1512, 1341785), (1515, 1339128), (1818, 1115940), (1890, 1073428), (2020, 1004346), (2121, 956520), (2424, 836955), (2520, 805071), (2657, 763560), (2727, 743960), (2828, 717390), (3030, 669564), (3535, 573912), (3636, 557970), (3780, 536714), (4040, 502173), (4242, 478260), (4545, 446376), (5314, 381780), (5454, 371980), (5656, 358695), (6060, 334782), (6363, 318840), (7070, 286956), (7272, 278985), (7560, 268357), (7971, 254520), (8484, 239130), (9090, 223188), (10605, 191304), (10628, 190890), (10908, 185990), (12120, 167391), (12726, 159420), (13285, 152712), (13635, 148792), (14140, 143478), (15942, 127260), (16968, 119565), (18180, 111594), (18599, 109080), (19089, 106280), (21210, 95652), (21256, 95445), (21816, 92995), (23913, 84840), (25452, 79710), (26570, 76356), (27270, 74396), (28280, 71739), (31815, 63768), (31884, 63630), (36360, 55797), (37198, 54540), (38178, 53140), (39855, 50904), (42420, 47826)]