279590640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1021}}^1$

素因数の和:1207

約数の個数: 160

約数和(自身を含む): 997602816

約数和(自身を除く): 718012176

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, 80, 84, 105, 112, 120, 140, 163, 168, 210, 240, 280, 326, 336, 420, 489, 560, 652, 815, 840, 978, 1021, 1141, 1304, 1630, 1680, 1956, 2042, 2282, 2445, 2608, 3063, 3260, 3423, 3912, 4084, 4564, 4890, 5105, 5705, 6126, 6520, 6846, 7147, 7824, 8168, 9128, 9780, 10210, 11410, 12252, 13040, 13692, 14294, 15315, 16336, 17115, 18256, 19560, 20420, 21441, 22820, 24504, 27384, 28588, 30630, 34230, 35735, 39120, 40840, 42882, 45640, 49008, 54768, 57176, 61260, 68460, 71470, 81680, 85764, 91280, 107205, 114352, 122520, 136920, 142940, 166423, 171528, 214410, 245040, 273840, 285880, 332846, 343056, 428820, 499269, 571760, 665692, 832115, 857640, 998538, 1164961, 1331384, 1664230, 1715280, 1997076, 2329922, 2496345, 2662768, 3328460, 3494883, 3994152, 4659844, 4992690, 5824805, 6656920, 6989766, 7988304, 9319688, 9985380, 11649610, 13313840, 13979532, 17474415, 18639376, 19970760, 23299220, 27959064, 34948830, 39941520, 46598440, 55918128, 69897660, 93196880, 139795320, 279590640]

約数ペア:

[(1, 279590640), (2, 139795320), (3, 93196880), (4, 69897660), (5, 55918128), (6, 46598440), (7, 39941520), (8, 34948830), (10, 27959064), (12, 23299220), (14, 19970760), (15, 18639376), (16, 17474415), (20, 13979532), (21, 13313840), (24, 11649610), (28, 9985380), (30, 9319688), (35, 7988304), (40, 6989766), (42, 6656920), (48, 5824805), (56, 4992690), (60, 4659844), (70, 3994152), (80, 3494883), (84, 3328460), (105, 2662768), (112, 2496345), (120, 2329922), (140, 1997076), (163, 1715280), (168, 1664230), (210, 1331384), (240, 1164961), (280, 998538), (326, 857640), (336, 832115), (420, 665692), (489, 571760), (560, 499269), (652, 428820), (815, 343056), (840, 332846), (978, 285880), (1021, 273840), (1141, 245040), (1304, 214410), (1630, 171528), (1680, 166423), (1956, 142940), (2042, 136920), (2282, 122520), (2445, 114352), (2608, 107205), (3063, 91280), (3260, 85764), (3423, 81680), (3912, 71470), (4084, 68460), (4564, 61260), (4890, 57176), (5105, 54768), (5705, 49008), (6126, 45640), (6520, 42882), (6846, 40840), (7147, 39120), (7824, 35735), (8168, 34230), (9128, 30630), (9780, 28588), (10210, 27384), (11410, 24504), (12252, 22820), (13040, 21441), (13692, 20420), (14294, 19560), (15315, 18256), (16336, 17115)]