313781520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:809

約数の個数: 160

約数和(自身を含む): 1055682432

約数和(自身を除く): 741900912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 163, 195, 208, 240, 260, 312, 326, 390, 489, 520, 617, 624, 652, 780, 815, 978, 1040, 1234, 1304, 1560, 1630, 1851, 1956, 2119, 2445, 2468, 2608, 3085, 3120, 3260, 3702, 3912, 4238, 4890, 4936, 6170, 6357, 6520, 7404, 7824, 8021, 8476, 9255, 9780, 9872, 10595, 12340, 12714, 13040, 14808, 16042, 16952, 18510, 19560, 21190, 24063, 24680, 25428, 29616, 31785, 32084, 33904, 37020, 39120, 40105, 42380, 48126, 49360, 50856, 63570, 64168, 74040, 80210, 84760, 96252, 100571, 101712, 120315, 127140, 128336, 148080, 160420, 169520, 192504, 201142, 240630, 254280, 301713, 320840, 385008, 402284, 481260, 502855, 508560, 603426, 641680, 804568, 962520, 1005710, 1206852, 1307423, 1508565, 1609136, 1925040, 2011420, 2413704, 2614846, 3017130, 3922269, 4022840, 4827408, 5229692, 6034260, 6537115, 7844538, 8045680, 10459384, 12068520, 13074230, 15689076, 19611345, 20918768, 24137040, 26148460, 31378152, 39222690, 52296920, 62756304, 78445380, 104593840, 156890760, 313781520]

約数ペア:

[(1, 313781520), (2, 156890760), (3, 104593840), (4, 78445380), (5, 62756304), (6, 52296920), (8, 39222690), (10, 31378152), (12, 26148460), (13, 24137040), (15, 20918768), (16, 19611345), (20, 15689076), (24, 13074230), (26, 12068520), (30, 10459384), (39, 8045680), (40, 7844538), (48, 6537115), (52, 6034260), (60, 5229692), (65, 4827408), (78, 4022840), (80, 3922269), (104, 3017130), (120, 2614846), (130, 2413704), (156, 2011420), (163, 1925040), (195, 1609136), (208, 1508565), (240, 1307423), (260, 1206852), (312, 1005710), (326, 962520), (390, 804568), (489, 641680), (520, 603426), (617, 508560), (624, 502855), (652, 481260), (780, 402284), (815, 385008), (978, 320840), (1040, 301713), (1234, 254280), (1304, 240630), (1560, 201142), (1630, 192504), (1851, 169520), (1956, 160420), (2119, 148080), (2445, 128336), (2468, 127140), (2608, 120315), (3085, 101712), (3120, 100571), (3260, 96252), (3702, 84760), (3912, 80210), (4238, 74040), (4890, 64168), (4936, 63570), (6170, 50856), (6357, 49360), (6520, 48126), (7404, 42380), (7824, 40105), (8021, 39120), (8476, 37020), (9255, 33904), (9780, 32084), (9872, 31785), (10595, 29616), (12340, 25428), (12714, 24680), (13040, 24063), (14808, 21190), (16042, 19560), (16952, 18510)]