218679840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8933}}^1$

素因数の和:8971

約数の個数: 144

約数和(自身を含む): 790230168

約数和(自身を除く): 571550328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 4080, 4896, 6120, 8160, 8933, 12240, 17866, 24480, 26799, 35732, 44665, 53598, 71464, 80397, 89330, 107196, 133995, 142928, 151861, 160794, 178660, 214392, 267990, 285856, 303722, 321588, 357320, 401985, 428784, 455583, 535980, 607444, 643176, 714640, 759305, 803970, 857568, 911166, 1071960, 1214888, 1286352, 1366749, 1429280, 1518610, 1607940, 1822332, 2143920, 2277915, 2429776, 2572704, 2733498, 3037220, 3215880, 3644664, 4287840, 4555830, 4859552, 5466996, 6074440, 6431760, 6833745, 7289328, 9111660, 10933992, 12148880, 12863520, 13667490, 14578656, 18223320, 21867984, 24297760, 27334980, 36446640, 43735968, 54669960, 72893280, 109339920, 218679840]

約数ペア:

[(1, 218679840), (2, 109339920), (3, 72893280), (4, 54669960), (5, 43735968), (6, 36446640), (8, 27334980), (9, 24297760), (10, 21867984), (12, 18223320), (15, 14578656), (16, 13667490), (17, 12863520), (18, 12148880), (20, 10933992), (24, 9111660), (30, 7289328), (32, 6833745), (34, 6431760), (36, 6074440), (40, 5466996), (45, 4859552), (48, 4555830), (51, 4287840), (60, 3644664), (68, 3215880), (72, 3037220), (80, 2733498), (85, 2572704), (90, 2429776), (96, 2277915), (102, 2143920), (120, 1822332), (136, 1607940), (144, 1518610), (153, 1429280), (160, 1366749), (170, 1286352), (180, 1214888), (204, 1071960), (240, 911166), (255, 857568), (272, 803970), (288, 759305), (306, 714640), (340, 643176), (360, 607444), (408, 535980), (480, 455583), (510, 428784), (544, 401985), (612, 357320), (680, 321588), (720, 303722), (765, 285856), (816, 267990), (1020, 214392), (1224, 178660), (1360, 160794), (1440, 151861), (1530, 142928), (1632, 133995), (2040, 107196), (2448, 89330), (2720, 80397), (3060, 71464), (4080, 53598), (4896, 44665), (6120, 35732), (8160, 26799), (8933, 24480), (12240, 17866)]