209781120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2953}}^1$

素因数の和:3012

約数の個数: 128

約数和(自身を含む): 686982240

約数和(自身を除く): 477201120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 888, 960, 1110, 1184, 1480, 1776, 1920, 2220, 2368, 2953, 2960, 3552, 4440, 4736, 5906, 5920, 7104, 8859, 8880, 11812, 11840, 14208, 14765, 17718, 17760, 23624, 23680, 29530, 35436, 35520, 44295, 47248, 59060, 70872, 71040, 88590, 94496, 109261, 118120, 141744, 177180, 188992, 218522, 236240, 283488, 327783, 354360, 377984, 437044, 472480, 546305, 566976, 655566, 708720, 874088, 944960, 1092610, 1133952, 1311132, 1417440, 1638915, 1748176, 1889920, 2185220, 2622264, 2834880, 3277830, 3496352, 4370440, 5244528, 5669760, 6555660, 6992704, 8740880, 10489056, 13111320, 13985408, 17481760, 20978112, 26222640, 34963520, 41956224, 52445280, 69927040, 104890560, 209781120]

約数ペア:

[(1, 209781120), (2, 104890560), (3, 69927040), (4, 52445280), (5, 41956224), (6, 34963520), (8, 26222640), (10, 20978112), (12, 17481760), (15, 13985408), (16, 13111320), (20, 10489056), (24, 8740880), (30, 6992704), (32, 6555660), (37, 5669760), (40, 5244528), (48, 4370440), (60, 3496352), (64, 3277830), (74, 2834880), (80, 2622264), (96, 2185220), (111, 1889920), (120, 1748176), (128, 1638915), (148, 1417440), (160, 1311132), (185, 1133952), (192, 1092610), (222, 944960), (240, 874088), (296, 708720), (320, 655566), (370, 566976), (384, 546305), (444, 472480), (480, 437044), (555, 377984), (592, 354360), (640, 327783), (740, 283488), (888, 236240), (960, 218522), (1110, 188992), (1184, 177180), (1480, 141744), (1776, 118120), (1920, 109261), (2220, 94496), (2368, 88590), (2953, 71040), (2960, 70872), (3552, 59060), (4440, 47248), (4736, 44295), (5906, 35520), (5920, 35436), (7104, 29530), (8859, 23680), (8880, 23624), (11812, 17760), (11840, 17718), (14208, 14765)]