30675840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1264

約数の個数: 128

約数和(自身を含む): 105386400

約数和(自身を除く): 74710560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1229, 1248, 1560, 1664, 1920, 2080, 2458, 2496, 3120, 3687, 4160, 4916, 4992, 6145, 6240, 7374, 8320, 9832, 12290, 12480, 14748, 15977, 18435, 19664, 24580, 24960, 29496, 31954, 36870, 39328, 47931, 49160, 58992, 63908, 73740, 78656, 79885, 95862, 98320, 117984, 127816, 147480, 157312, 159770, 191724, 196640, 235968, 239655, 255632, 294960, 319540, 383448, 393280, 471936, 479310, 511264, 589920, 639080, 766896, 786560, 958620, 1022528, 1179840, 1278160, 1533792, 1917240, 2045056, 2359680, 2556320, 3067584, 3834480, 5112640, 6135168, 7668960, 10225280, 15337920, 30675840]

約数ペア:

[(1, 30675840), (2, 15337920), (3, 10225280), (4, 7668960), (5, 6135168), (6, 5112640), (8, 3834480), (10, 3067584), (12, 2556320), (13, 2359680), (15, 2045056), (16, 1917240), (20, 1533792), (24, 1278160), (26, 1179840), (30, 1022528), (32, 958620), (39, 786560), (40, 766896), (48, 639080), (52, 589920), (60, 511264), (64, 479310), (65, 471936), (78, 393280), (80, 383448), (96, 319540), (104, 294960), (120, 255632), (128, 239655), (130, 235968), (156, 196640), (160, 191724), (192, 159770), (195, 157312), (208, 147480), (240, 127816), (260, 117984), (312, 98320), (320, 95862), (384, 79885), (390, 78656), (416, 73740), (480, 63908), (520, 58992), (624, 49160), (640, 47931), (780, 39328), (832, 36870), (960, 31954), (1040, 29496), (1229, 24960), (1248, 24580), (1560, 19664), (1664, 18435), (1920, 15977), (2080, 14748), (2458, 12480), (2496, 12290), (3120, 9832), (3687, 8320), (4160, 7374), (4916, 6240), (4992, 6145)]