78316920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19777}}^1$

素因数の和:19805

約数の個数: 96

約数和(自身を含む): 277683120

約数和(自身を除く): 199366200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 19777, 39554, 59331, 79108, 98885, 118662, 158216, 177993, 197770, 217547, 237324, 296655, 355986, 395540, 435094, 474648, 593310, 652641, 711972, 791080, 870188, 889965, 1087735, 1186620, 1305282, 1423944, 1740376, 1779930, 1957923, 2175470, 2373240, 2610564, 3263205, 3559860, 3915846, 4350940, 5221128, 6526410, 7119720, 7831692, 8701880, 9789615, 13052820, 15663384, 19579230, 26105640, 39158460, 78316920]

約数ペア:

[(1, 78316920), (2, 39158460), (3, 26105640), (4, 19579230), (5, 15663384), (6, 13052820), (8, 9789615), (9, 8701880), (10, 7831692), (11, 7119720), (12, 6526410), (15, 5221128), (18, 4350940), (20, 3915846), (22, 3559860), (24, 3263205), (30, 2610564), (33, 2373240), (36, 2175470), (40, 1957923), (44, 1779930), (45, 1740376), (55, 1423944), (60, 1305282), (66, 1186620), (72, 1087735), (88, 889965), (90, 870188), (99, 791080), (110, 711972), (120, 652641), (132, 593310), (165, 474648), (180, 435094), (198, 395540), (220, 355986), (264, 296655), (330, 237324), (360, 217547), (396, 197770), (440, 177993), (495, 158216), (660, 118662), (792, 98885), (990, 79108), (1320, 59331), (1980, 39554), (3960, 19777)]