2017679920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:603

約数の個数: 160

約数和(自身を含む): 5136814080

約数和(自身を除く): 3119134160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 61, 76, 80, 94, 95, 122, 152, 188, 190, 235, 244, 304, 305, 376, 380, 463, 470, 488, 610, 752, 760, 893, 926, 940, 976, 1159, 1220, 1520, 1786, 1852, 1880, 2315, 2318, 2440, 2867, 3572, 3704, 3760, 4465, 4630, 4636, 4880, 5734, 5795, 7144, 7408, 8797, 8930, 9260, 9272, 11468, 11590, 14288, 14335, 17594, 17860, 18520, 18544, 21761, 22936, 23180, 28243, 28670, 35188, 35720, 37040, 43522, 43985, 45872, 46360, 54473, 56486, 57340, 70376, 71440, 87044, 87970, 92720, 108805, 108946, 112972, 114680, 140752, 141215, 174088, 175940, 217610, 217892, 225944, 229360, 272365, 282430, 348176, 351880, 413459, 435220, 435784, 451888, 536617, 544730, 564860, 703760, 826918, 870440, 871568, 1073234, 1089460, 1129720, 1327421, 1653836, 1740880, 2067295, 2146468, 2178920, 2259440, 2654842, 2683085, 3307672, 4134590, 4292936, 4357840, 5309684, 5366170, 6615344, 6637105, 8269180, 8585872, 10619368, 10732340, 13274210, 16538360, 21238736, 21464680, 25220999, 26548420, 33076720, 42929360, 50441998, 53096840, 100883996, 106193680, 126104995, 201767992, 252209990, 403535984, 504419980, 1008839960, 2017679920]

約数ペア:

[(1, 2017679920), (2, 1008839960), (4, 504419980), (5, 403535984), (8, 252209990), (10, 201767992), (16, 126104995), (19, 106193680), (20, 100883996), (38, 53096840), (40, 50441998), (47, 42929360), (61, 33076720), (76, 26548420), (80, 25220999), (94, 21464680), (95, 21238736), (122, 16538360), (152, 13274210), (188, 10732340), (190, 10619368), (235, 8585872), (244, 8269180), (304, 6637105), (305, 6615344), (376, 5366170), (380, 5309684), (463, 4357840), (470, 4292936), (488, 4134590), (610, 3307672), (752, 2683085), (760, 2654842), (893, 2259440), (926, 2178920), (940, 2146468), (976, 2067295), (1159, 1740880), (1220, 1653836), (1520, 1327421), (1786, 1129720), (1852, 1089460), (1880, 1073234), (2315, 871568), (2318, 870440), (2440, 826918), (2867, 703760), (3572, 564860), (3704, 544730), (3760, 536617), (4465, 451888), (4630, 435784), (4636, 435220), (4880, 413459), (5734, 351880), (5795, 348176), (7144, 282430), (7408, 272365), (8797, 229360), (8930, 225944), (9260, 217892), (9272, 217610), (11468, 175940), (11590, 174088), (14288, 141215), (14335, 140752), (17594, 114680), (17860, 112972), (18520, 108946), (18544, 108805), (21761, 92720), (22936, 87970), (23180, 87044), (28243, 71440), (28670, 70376), (35188, 57340), (35720, 56486), (37040, 54473), (43522, 46360), (43985, 45872)]