87556788

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 264176640

約数和(自身を除く): 176619852

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 27, 33, 36, 38, 44, 54, 57, 66, 76, 81, 99, 108, 114, 132, 162, 171, 198, 209, 228, 243, 297, 324, 342, 396, 418, 431, 486, 513, 594, 627, 684, 836, 862, 891, 972, 1026, 1188, 1254, 1293, 1539, 1724, 1782, 1881, 2052, 2508, 2586, 2673, 3078, 3564, 3762, 3879, 4617, 4741, 5172, 5346, 5643, 6156, 7524, 7758, 8189, 9234, 9482, 10692, 11286, 11637, 14223, 15516, 16378, 16929, 18468, 18964, 22572, 23274, 24567, 28446, 32756, 33858, 34911, 42669, 46548, 49134, 50787, 56892, 67716, 69822, 73701, 85338, 90079, 98268, 101574, 104733, 128007, 139644, 147402, 170676, 180158, 203148, 209466, 221103, 256014, 270237, 294804, 360316, 384021, 418932, 442206, 512028, 540474, 663309, 768042, 810711, 884412, 1080948, 1152063, 1326618, 1536084, 1621422, 1989927, 2304126, 2432133, 2653236, 3242844, 3979854, 4608252, 4864266, 7296399, 7959708, 9728532, 14592798, 21889197, 29185596, 43778394, 87556788]

約数ペア:

[(1, 87556788), (2, 43778394), (3, 29185596), (4, 21889197), (6, 14592798), (9, 9728532), (11, 7959708), (12, 7296399), (18, 4864266), (19, 4608252), (22, 3979854), (27, 3242844), (33, 2653236), (36, 2432133), (38, 2304126), (44, 1989927), (54, 1621422), (57, 1536084), (66, 1326618), (76, 1152063), (81, 1080948), (99, 884412), (108, 810711), (114, 768042), (132, 663309), (162, 540474), (171, 512028), (198, 442206), (209, 418932), (228, 384021), (243, 360316), (297, 294804), (324, 270237), (342, 256014), (396, 221103), (418, 209466), (431, 203148), (486, 180158), (513, 170676), (594, 147402), (627, 139644), (684, 128007), (836, 104733), (862, 101574), (891, 98268), (972, 90079), (1026, 85338), (1188, 73701), (1254, 69822), (1293, 67716), (1539, 56892), (1724, 50787), (1782, 49134), (1881, 46548), (2052, 42669), (2508, 34911), (2586, 33858), (2673, 32756), (3078, 28446), (3564, 24567), (3762, 23274), (3879, 22572), (4617, 18964), (4741, 18468), (5172, 16929), (5346, 16378), (5643, 15516), (6156, 14223), (7524, 11637), (7758, 11286), (8189, 10692), (9234, 9482)]