231221520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:830

約数の個数: 160

約数和(自身を含む): 802448640

約数和(自身を除く): 571227120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 167, 180, 216, 240, 270, 334, 360, 432, 501, 540, 641, 668, 720, 835, 1002, 1080, 1282, 1336, 1503, 1670, 1923, 2004, 2160, 2505, 2564, 2672, 3006, 3205, 3340, 3846, 4008, 4509, 5010, 5128, 5769, 6012, 6410, 6680, 7515, 7692, 8016, 9018, 9615, 10020, 10256, 11538, 12024, 12820, 13360, 15030, 15384, 17307, 18036, 19230, 20040, 22545, 23076, 24048, 25640, 28845, 30060, 30768, 34614, 36072, 38460, 40080, 45090, 46152, 51280, 57690, 60120, 69228, 72144, 76920, 86535, 90180, 92304, 107047, 115380, 120240, 138456, 153840, 173070, 180360, 214094, 230760, 276912, 321141, 346140, 360720, 428188, 461520, 535235, 642282, 692280, 856376, 963423, 1070470, 1284564, 1384560, 1605705, 1712752, 1926846, 2140940, 2569128, 2890269, 3211410, 3853692, 4281880, 4817115, 5138256, 5780538, 6422820, 7707384, 8563760, 9634230, 11561076, 12845640, 14451345, 15414768, 19268460, 23122152, 25691280, 28902690, 38536920, 46244304, 57805380, 77073840, 115610760, 231221520]

約数ペア:

[(1, 231221520), (2, 115610760), (3, 77073840), (4, 57805380), (5, 46244304), (6, 38536920), (8, 28902690), (9, 25691280), (10, 23122152), (12, 19268460), (15, 15414768), (16, 14451345), (18, 12845640), (20, 11561076), (24, 9634230), (27, 8563760), (30, 7707384), (36, 6422820), (40, 5780538), (45, 5138256), (48, 4817115), (54, 4281880), (60, 3853692), (72, 3211410), (80, 2890269), (90, 2569128), (108, 2140940), (120, 1926846), (135, 1712752), (144, 1605705), (167, 1384560), (180, 1284564), (216, 1070470), (240, 963423), (270, 856376), (334, 692280), (360, 642282), (432, 535235), (501, 461520), (540, 428188), (641, 360720), (668, 346140), (720, 321141), (835, 276912), (1002, 230760), (1080, 214094), (1282, 180360), (1336, 173070), (1503, 153840), (1670, 138456), (1923, 120240), (2004, 115380), (2160, 107047), (2505, 92304), (2564, 90180), (2672, 86535), (3006, 76920), (3205, 72144), (3340, 69228), (3846, 60120), (4008, 57690), (4509, 51280), (5010, 46152), (5128, 45090), (5769, 40080), (6012, 38460), (6410, 36072), (6680, 34614), (7515, 30768), (7692, 30060), (8016, 28845), (9018, 25640), (9615, 24048), (10020, 23076), (10256, 22545), (11538, 20040), (12024, 19230), (12820, 18036), (13360, 17307), (15030, 15384)]