30213720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 106142400

約数和(自身を除く): 75928680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 41, 45, 46, 60, 69, 72, 82, 89, 90, 92, 115, 120, 123, 138, 164, 178, 180, 184, 205, 207, 230, 246, 267, 276, 328, 345, 356, 360, 369, 410, 414, 445, 460, 492, 534, 552, 615, 690, 712, 738, 801, 820, 828, 890, 920, 943, 984, 1035, 1068, 1230, 1335, 1380, 1476, 1602, 1640, 1656, 1780, 1845, 1886, 2047, 2070, 2136, 2460, 2670, 2760, 2829, 2952, 3204, 3560, 3649, 3690, 3772, 4005, 4094, 4140, 4715, 4920, 5340, 5658, 6141, 6408, 7298, 7380, 7544, 8010, 8188, 8280, 8487, 9430, 10235, 10680, 10947, 11316, 12282, 14145, 14596, 14760, 16020, 16376, 16974, 18245, 18423, 18860, 20470, 21894, 22632, 24564, 28290, 29192, 30705, 32040, 32841, 33948, 36490, 36846, 37720, 40940, 42435, 43788, 49128, 54735, 56580, 61410, 65682, 67896, 72980, 73692, 81880, 83927, 84870, 87576, 92115, 109470, 113160, 122820, 131364, 145960, 147384, 164205, 167854, 169740, 184230, 218940, 245640, 251781, 262728, 328410, 335708, 339480, 368460, 419635, 437880, 503562, 656820, 671416, 736920, 755343, 839270, 1007124, 1258905, 1313640, 1510686, 1678540, 2014248, 2517810, 3021372, 3357080, 3776715, 5035620, 6042744, 7553430, 10071240, 15106860, 30213720]

約数ペア:

[(1, 30213720), (2, 15106860), (3, 10071240), (4, 7553430), (5, 6042744), (6, 5035620), (8, 3776715), (9, 3357080), (10, 3021372), (12, 2517810), (15, 2014248), (18, 1678540), (20, 1510686), (23, 1313640), (24, 1258905), (30, 1007124), (36, 839270), (40, 755343), (41, 736920), (45, 671416), (46, 656820), (60, 503562), (69, 437880), (72, 419635), (82, 368460), (89, 339480), (90, 335708), (92, 328410), (115, 262728), (120, 251781), (123, 245640), (138, 218940), (164, 184230), (178, 169740), (180, 167854), (184, 164205), (205, 147384), (207, 145960), (230, 131364), (246, 122820), (267, 113160), (276, 109470), (328, 92115), (345, 87576), (356, 84870), (360, 83927), (369, 81880), (410, 73692), (414, 72980), (445, 67896), (460, 65682), (492, 61410), (534, 56580), (552, 54735), (615, 49128), (690, 43788), (712, 42435), (738, 40940), (801, 37720), (820, 36846), (828, 36490), (890, 33948), (920, 32841), (943, 32040), (984, 30705), (1035, 29192), (1068, 28290), (1230, 24564), (1335, 22632), (1380, 21894), (1476, 20470), (1602, 18860), (1640, 18423), (1656, 18245), (1780, 16974), (1845, 16376), (1886, 16020), (2047, 14760), (2070, 14596), (2136, 14145), (2460, 12282), (2670, 11316), (2760, 10947), (2829, 10680), (2952, 10235), (3204, 9430), (3560, 8487), (3649, 8280), (3690, 8188), (3772, 8010), (4005, 7544), (4094, 7380), (4140, 7298), (4715, 6408), (4920, 6141), (5340, 5658)]