21244680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 73180800

約数和(自身を除く): 51936120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 83, 90, 108, 120, 135, 158, 162, 166, 180, 216, 237, 249, 270, 316, 324, 332, 360, 395, 405, 415, 474, 498, 540, 632, 648, 664, 711, 747, 790, 810, 830, 948, 996, 1080, 1185, 1245, 1422, 1494, 1580, 1620, 1660, 1896, 1992, 2133, 2241, 2370, 2490, 2844, 2988, 3160, 3240, 3320, 3555, 3735, 4266, 4482, 4740, 4980, 5688, 5976, 6399, 6557, 6723, 7110, 7470, 8532, 8964, 9480, 9960, 10665, 11205, 12798, 13114, 13446, 14220, 14940, 17064, 17928, 19671, 21330, 22410, 25596, 26228, 26892, 28440, 29880, 31995, 32785, 33615, 39342, 42660, 44820, 51192, 52456, 53784, 59013, 63990, 65570, 67230, 78684, 85320, 89640, 98355, 118026, 127980, 131140, 134460, 157368, 177039, 196710, 236052, 255960, 262280, 268920, 295065, 354078, 393420, 472104, 531117, 590130, 708156, 786840, 885195, 1062234, 1180260, 1416312, 1770390, 2124468, 2360520, 2655585, 3540780, 4248936, 5311170, 7081560, 10622340, 21244680]

約数ペア:

[(1, 21244680), (2, 10622340), (3, 7081560), (4, 5311170), (5, 4248936), (6, 3540780), (8, 2655585), (9, 2360520), (10, 2124468), (12, 1770390), (15, 1416312), (18, 1180260), (20, 1062234), (24, 885195), (27, 786840), (30, 708156), (36, 590130), (40, 531117), (45, 472104), (54, 393420), (60, 354078), (72, 295065), (79, 268920), (81, 262280), (83, 255960), (90, 236052), (108, 196710), (120, 177039), (135, 157368), (158, 134460), (162, 131140), (166, 127980), (180, 118026), (216, 98355), (237, 89640), (249, 85320), (270, 78684), (316, 67230), (324, 65570), (332, 63990), (360, 59013), (395, 53784), (405, 52456), (415, 51192), (474, 44820), (498, 42660), (540, 39342), (632, 33615), (648, 32785), (664, 31995), (711, 29880), (747, 28440), (790, 26892), (810, 26228), (830, 25596), (948, 22410), (996, 21330), (1080, 19671), (1185, 17928), (1245, 17064), (1422, 14940), (1494, 14220), (1580, 13446), (1620, 13114), (1660, 12798), (1896, 11205), (1992, 10665), (2133, 9960), (2241, 9480), (2370, 8964), (2490, 8532), (2844, 7470), (2988, 7110), (3160, 6723), (3240, 6557), (3320, 6399), (3555, 5976), (3735, 5688), (4266, 4980), (4482, 4740)]