165505280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 423058944

約数和(自身を除く): 257553664

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, 256, 310, 320, 344, 388, 430, 485, 496, 620, 640, 688, 776, 860, 970, 992, 1240, 1280, 1333, 1376, 1552, 1720, 1940, 1984, 2480, 2666, 2752, 3007, 3104, 3440, 3880, 3968, 4171, 4960, 5332, 5504, 6014, 6208, 6665, 6880, 7760, 7936, 8342, 9920, 10664, 11008, 12028, 12416, 13330, 13760, 15035, 15520, 16684, 19840, 20855, 21328, 24056, 24832, 26660, 27520, 30070, 31040, 33368, 39680, 41710, 42656, 48112, 53320, 55040, 60140, 62080, 66736, 83420, 85312, 96224, 106640, 120280, 124160, 129301, 133472, 166840, 170624, 192448, 213280, 240560, 258602, 266944, 333680, 341248, 384896, 426560, 481120, 517204, 533888, 646505, 667360, 769792, 853120, 962240, 1034408, 1067776, 1293010, 1334720, 1706240, 1924480, 2068816, 2586020, 2669440, 3848960, 4137632, 5172040, 5338880, 8275264, 10344080, 16550528, 20688160, 33101056, 41376320, 82752640, 165505280]

約数ペア:

[(1, 165505280), (2, 82752640), (4, 41376320), (5, 33101056), (8, 20688160), (10, 16550528), (16, 10344080), (20, 8275264), (31, 5338880), (32, 5172040), (40, 4137632), (43, 3848960), (62, 2669440), (64, 2586020), (80, 2068816), (86, 1924480), (97, 1706240), (124, 1334720), (128, 1293010), (155, 1067776), (160, 1034408), (172, 962240), (194, 853120), (215, 769792), (248, 667360), (256, 646505), (310, 533888), (320, 517204), (344, 481120), (388, 426560), (430, 384896), (485, 341248), (496, 333680), (620, 266944), (640, 258602), (688, 240560), (776, 213280), (860, 192448), (970, 170624), (992, 166840), (1240, 133472), (1280, 129301), (1333, 124160), (1376, 120280), (1552, 106640), (1720, 96224), (1940, 85312), (1984, 83420), (2480, 66736), (2666, 62080), (2752, 60140), (3007, 55040), (3104, 53320), (3440, 48112), (3880, 42656), (3968, 41710), (4171, 39680), (4960, 33368), (5332, 31040), (5504, 30070), (6014, 27520), (6208, 26660), (6665, 24832), (6880, 24056), (7760, 21328), (7936, 20855), (8342, 19840), (9920, 16684), (10664, 15520), (11008, 15035), (12028, 13760), (12416, 13330)]