82752640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 211115520

約数和(自身を除く): 128362880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 97, 124, 128, 155, 160, 172, 194, 215, 248, 310, 320, 344, 388, 430, 485, 496, 620, 640, 688, 776, 860, 970, 992, 1240, 1333, 1376, 1552, 1720, 1940, 1984, 2480, 2666, 2752, 3007, 3104, 3440, 3880, 3968, 4171, 4960, 5332, 5504, 6014, 6208, 6665, 6880, 7760, 8342, 9920, 10664, 12028, 12416, 13330, 13760, 15035, 15520, 16684, 19840, 20855, 21328, 24056, 26660, 27520, 30070, 31040, 33368, 41710, 42656, 48112, 53320, 60140, 62080, 66736, 83420, 85312, 96224, 106640, 120280, 129301, 133472, 166840, 170624, 192448, 213280, 240560, 258602, 266944, 333680, 384896, 426560, 481120, 517204, 533888, 646505, 667360, 853120, 962240, 1034408, 1293010, 1334720, 1924480, 2068816, 2586020, 2669440, 4137632, 5172040, 8275264, 10344080, 16550528, 20688160, 41376320, 82752640]

約数ペア:

[(1, 82752640), (2, 41376320), (4, 20688160), (5, 16550528), (8, 10344080), (10, 8275264), (16, 5172040), (20, 4137632), (31, 2669440), (32, 2586020), (40, 2068816), (43, 1924480), (62, 1334720), (64, 1293010), (80, 1034408), (86, 962240), (97, 853120), (124, 667360), (128, 646505), (155, 533888), (160, 517204), (172, 481120), (194, 426560), (215, 384896), (248, 333680), (310, 266944), (320, 258602), (344, 240560), (388, 213280), (430, 192448), (485, 170624), (496, 166840), (620, 133472), (640, 129301), (688, 120280), (776, 106640), (860, 96224), (970, 85312), (992, 83420), (1240, 66736), (1333, 62080), (1376, 60140), (1552, 53320), (1720, 48112), (1940, 42656), (1984, 41710), (2480, 33368), (2666, 31040), (2752, 30070), (3007, 27520), (3104, 26660), (3440, 24056), (3880, 21328), (3968, 20855), (4171, 19840), (4960, 16684), (5332, 15520), (5504, 15035), (6014, 13760), (6208, 13330), (6665, 12416), (6880, 12028), (7760, 10664), (8342, 9920)]