31985520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 115230720

約数和(自身を除く): 83245200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 105, 112, 120, 140, 158, 168, 210, 237, 240, 241, 280, 316, 336, 395, 420, 474, 482, 553, 560, 632, 723, 790, 840, 948, 964, 1106, 1185, 1205, 1264, 1446, 1580, 1659, 1680, 1687, 1896, 1928, 2212, 2370, 2410, 2765, 2892, 3160, 3318, 3374, 3615, 3792, 3856, 4424, 4740, 4820, 5061, 5530, 5784, 6320, 6636, 6748, 7230, 8295, 8435, 8848, 9480, 9640, 10122, 11060, 11568, 13272, 13496, 14460, 16590, 16870, 18960, 19039, 19280, 20244, 22120, 25305, 26544, 26992, 28920, 33180, 33740, 38078, 40488, 44240, 50610, 57117, 57840, 66360, 67480, 76156, 80976, 95195, 101220, 114234, 132720, 133273, 134960, 152312, 190390, 202440, 228468, 266546, 285585, 304624, 380780, 399819, 404880, 456936, 533092, 571170, 666365, 761560, 799638, 913872, 1066184, 1142340, 1332730, 1523120, 1599276, 1999095, 2132368, 2284680, 2665460, 3198552, 3998190, 4569360, 5330920, 6397104, 7996380, 10661840, 15992760, 31985520]

約数ペア:

[(1, 31985520), (2, 15992760), (3, 10661840), (4, 7996380), (5, 6397104), (6, 5330920), (7, 4569360), (8, 3998190), (10, 3198552), (12, 2665460), (14, 2284680), (15, 2132368), (16, 1999095), (20, 1599276), (21, 1523120), (24, 1332730), (28, 1142340), (30, 1066184), (35, 913872), (40, 799638), (42, 761560), (48, 666365), (56, 571170), (60, 533092), (70, 456936), (79, 404880), (80, 399819), (84, 380780), (105, 304624), (112, 285585), (120, 266546), (140, 228468), (158, 202440), (168, 190390), (210, 152312), (237, 134960), (240, 133273), (241, 132720), (280, 114234), (316, 101220), (336, 95195), (395, 80976), (420, 76156), (474, 67480), (482, 66360), (553, 57840), (560, 57117), (632, 50610), (723, 44240), (790, 40488), (840, 38078), (948, 33740), (964, 33180), (1106, 28920), (1185, 26992), (1205, 26544), (1264, 25305), (1446, 22120), (1580, 20244), (1659, 19280), (1680, 19039), (1687, 18960), (1896, 16870), (1928, 16590), (2212, 14460), (2370, 13496), (2410, 13272), (2765, 11568), (2892, 11060), (3160, 10122), (3318, 9640), (3374, 9480), (3615, 8848), (3792, 8435), (3856, 8295), (4424, 7230), (4740, 6748), (4820, 6636), (5061, 6320), (5530, 5784)]