320149620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 288

約数和(自身を含む): 1199278080

約数和(自身を除く): 879128460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 43, 45, 57, 60, 63, 70, 76, 84, 86, 90, 95, 105, 114, 126, 129, 133, 140, 171, 172, 180, 190, 210, 215, 228, 252, 258, 266, 285, 301, 311, 315, 342, 380, 387, 399, 420, 430, 516, 532, 570, 602, 622, 630, 645, 665, 684, 774, 798, 817, 855, 860, 903, 933, 1140, 1197, 1204, 1244, 1260, 1290, 1330, 1505, 1548, 1555, 1596, 1634, 1710, 1806, 1866, 1935, 1995, 2177, 2394, 2451, 2580, 2660, 2709, 2799, 3010, 3110, 3268, 3420, 3612, 3732, 3870, 3990, 4085, 4354, 4515, 4665, 4788, 4902, 5418, 5598, 5719, 5909, 5985, 6020, 6220, 6531, 7353, 7740, 7980, 8170, 8708, 9030, 9330, 9804, 10836, 10885, 11196, 11438, 11818, 11970, 12255, 13062, 13373, 13545, 13995, 14706, 16340, 17157, 17727, 18060, 18660, 19593, 21770, 22876, 23636, 23940, 24510, 26124, 26746, 27090, 27990, 28595, 29412, 29545, 32655, 34314, 35454, 36765, 39186, 40119, 41363, 43540, 49020, 51471, 53181, 53492, 54180, 55980, 57190, 59090, 65310, 66865, 68628, 70908, 73530, 78372, 80238, 82726, 85785, 88635, 93611, 97965, 102942, 106362, 114380, 118180, 120357, 124089, 130620, 133730, 147060, 160476, 165452, 171570, 177270, 187222, 195930, 200595, 205884, 206815, 212724, 240714, 248178, 254087, 257355, 265905, 267460, 280833, 343140, 354540, 372267, 374444, 391860, 401190, 413630, 468055, 481428, 496356, 508174, 514710, 531810, 561666, 601785, 620445, 744534, 762261, 802380, 827260, 842499, 936110, 1016348, 1029420, 1063620, 1123332, 1203570, 1240890, 1270435, 1404165, 1489068, 1524522, 1684998, 1778609, 1861335, 1872220, 2286783, 2407140, 2481780, 2540870, 2808330, 3049044, 3369996, 3557218, 3722670, 3811305, 4212495, 4573566, 5081740, 5335827, 5616660, 7114436, 7445340, 7622610, 8424990, 8893045, 9147132, 10671654, 11433915, 15245220, 16007481, 16849980, 17786090, 21343308, 22867830, 26679135, 32014962, 35572180, 45735660, 53358270, 64029924, 80037405, 106716540, 160074810, 320149620]

約数ペア:

[(1, 320149620), (2, 160074810), (3, 106716540), (4, 80037405), (5, 64029924), (6, 53358270), (7, 45735660), (9, 35572180), (10, 32014962), (12, 26679135), (14, 22867830), (15, 21343308), (18, 17786090), (19, 16849980), (20, 16007481), (21, 15245220), (28, 11433915), (30, 10671654), (35, 9147132), (36, 8893045), (38, 8424990), (42, 7622610), (43, 7445340), (45, 7114436), (57, 5616660), (60, 5335827), (63, 5081740), (70, 4573566), (76, 4212495), (84, 3811305), (86, 3722670), (90, 3557218), (95, 3369996), (105, 3049044), (114, 2808330), (126, 2540870), (129, 2481780), (133, 2407140), (140, 2286783), (171, 1872220), (172, 1861335), (180, 1778609), (190, 1684998), (210, 1524522), (215, 1489068), (228, 1404165), (252, 1270435), (258, 1240890), (266, 1203570), (285, 1123332), (301, 1063620), (311, 1029420), (315, 1016348), (342, 936110), (380, 842499), (387, 827260), (399, 802380), (420, 762261), (430, 744534), (516, 620445), (532, 601785), (570, 561666), (602, 531810), (622, 514710), (630, 508174), (645, 496356), (665, 481428), (684, 468055), (774, 413630), (798, 401190), (817, 391860), (855, 374444), (860, 372267), (903, 354540), (933, 343140), (1140, 280833), (1197, 267460), (1204, 265905), (1244, 257355), (1260, 254087), (1290, 248178), (1330, 240714), (1505, 212724), (1548, 206815), (1555, 205884), (1596, 200595), (1634, 195930), (1710, 187222), (1806, 177270), (1866, 171570), (1935, 165452), (1995, 160476), (2177, 147060), (2394, 133730), (2451, 130620), (2580, 124089), (2660, 120357), (2709, 118180), (2799, 114380), (3010, 106362), (3110, 102942), (3268, 97965), (3420, 93611), (3612, 88635), (3732, 85785), (3870, 82726), (3990, 80238), (4085, 78372), (4354, 73530), (4515, 70908), (4665, 68628), (4788, 66865), (4902, 65310), (5418, 59090), (5598, 57190), (5719, 55980), (5909, 54180), (5985, 53492), (6020, 53181), (6220, 51471), (6531, 49020), (7353, 43540), (7740, 41363), (7980, 40119), (8170, 39186), (8708, 36765), (9030, 35454), (9330, 34314), (9804, 32655), (10836, 29545), (10885, 29412), (11196, 28595), (11438, 27990), (11818, 27090), (11970, 26746), (12255, 26124), (13062, 24510), (13373, 23940), (13545, 23636), (13995, 22876), (14706, 21770), (16340, 19593), (17157, 18660), (17727, 18060)]