21976320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 72112320

約数和(自身を除く): 50136000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 97, 118, 120, 128, 160, 177, 192, 194, 236, 240, 256, 291, 295, 320, 354, 384, 388, 472, 480, 485, 582, 590, 640, 708, 768, 776, 885, 944, 960, 970, 1164, 1180, 1280, 1416, 1455, 1552, 1770, 1888, 1920, 1940, 2328, 2360, 2832, 2910, 3104, 3540, 3776, 3840, 3880, 4656, 4720, 5664, 5723, 5820, 6208, 7080, 7552, 7760, 9312, 9440, 11328, 11446, 11640, 12416, 14160, 15104, 15520, 17169, 18624, 18880, 22656, 22892, 23280, 24832, 28320, 28615, 31040, 34338, 37248, 37760, 45312, 45784, 46560, 56640, 57230, 62080, 68676, 74496, 75520, 85845, 91568, 93120, 113280, 114460, 124160, 137352, 171690, 183136, 186240, 226560, 228920, 274704, 343380, 366272, 372480, 457840, 549408, 686760, 732544, 915680, 1098816, 1373520, 1465088, 1831360, 2197632, 2747040, 3662720, 4395264, 5494080, 7325440, 10988160, 21976320]

約数ペア:

[(1, 21976320), (2, 10988160), (3, 7325440), (4, 5494080), (5, 4395264), (6, 3662720), (8, 2747040), (10, 2197632), (12, 1831360), (15, 1465088), (16, 1373520), (20, 1098816), (24, 915680), (30, 732544), (32, 686760), (40, 549408), (48, 457840), (59, 372480), (60, 366272), (64, 343380), (80, 274704), (96, 228920), (97, 226560), (118, 186240), (120, 183136), (128, 171690), (160, 137352), (177, 124160), (192, 114460), (194, 113280), (236, 93120), (240, 91568), (256, 85845), (291, 75520), (295, 74496), (320, 68676), (354, 62080), (384, 57230), (388, 56640), (472, 46560), (480, 45784), (485, 45312), (582, 37760), (590, 37248), (640, 34338), (708, 31040), (768, 28615), (776, 28320), (885, 24832), (944, 23280), (960, 22892), (970, 22656), (1164, 18880), (1180, 18624), (1280, 17169), (1416, 15520), (1455, 15104), (1552, 14160), (1770, 12416), (1888, 11640), (1920, 11446), (1940, 11328), (2328, 9440), (2360, 9312), (2832, 7760), (2910, 7552), (3104, 7080), (3540, 6208), (3776, 5820), (3840, 5723), (3880, 5664), (4656, 4720)]