251091216

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:725

約数の個数: 120

約数和(自身を含む): 731203200

約数和(自身を除く): 480111984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 71, 72, 82, 123, 142, 144, 164, 213, 246, 284, 328, 369, 426, 492, 568, 599, 639, 656, 738, 852, 984, 1136, 1198, 1278, 1476, 1704, 1797, 1968, 2396, 2556, 2911, 2952, 3408, 3594, 4792, 5112, 5391, 5822, 5904, 7188, 8733, 9584, 10224, 10782, 11644, 14376, 17466, 21564, 23288, 24559, 26199, 28752, 34932, 42529, 43128, 46576, 49118, 52398, 69864, 73677, 85058, 86256, 98236, 104796, 127587, 139728, 147354, 170116, 196472, 209592, 221031, 255174, 294708, 340232, 382761, 392944, 419184, 442062, 510348, 589416, 680464, 765522, 884124, 1020696, 1178832, 1531044, 1743689, 1768248, 2041392, 3062088, 3487378, 3536496, 5231067, 6124176, 6974756, 10462134, 13949512, 15693201, 20924268, 27899024, 31386402, 41848536, 62772804, 83697072, 125545608, 251091216]

約数ペア:

[(1, 251091216), (2, 125545608), (3, 83697072), (4, 62772804), (6, 41848536), (8, 31386402), (9, 27899024), (12, 20924268), (16, 15693201), (18, 13949512), (24, 10462134), (36, 6974756), (41, 6124176), (48, 5231067), (71, 3536496), (72, 3487378), (82, 3062088), (123, 2041392), (142, 1768248), (144, 1743689), (164, 1531044), (213, 1178832), (246, 1020696), (284, 884124), (328, 765522), (369, 680464), (426, 589416), (492, 510348), (568, 442062), (599, 419184), (639, 392944), (656, 382761), (738, 340232), (852, 294708), (984, 255174), (1136, 221031), (1198, 209592), (1278, 196472), (1476, 170116), (1704, 147354), (1797, 139728), (1968, 127587), (2396, 104796), (2556, 98236), (2911, 86256), (2952, 85058), (3408, 73677), (3594, 69864), (4792, 52398), (5112, 49118), (5391, 46576), (5822, 43128), (5904, 42529), (7188, 34932), (8733, 28752), (9584, 26199), (10224, 24559), (10782, 23288), (11644, 21564), (14376, 17466)]