131397420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 288

約数和(自身を含む): 496419840

約数和(自身を除く): 365022420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 17, 20, 21, 22, 28, 30, 33, 34, 35, 42, 44, 49, 51, 55, 60, 66, 68, 70, 77, 84, 85, 98, 102, 105, 110, 119, 132, 140, 147, 154, 165, 170, 187, 196, 204, 210, 220, 231, 238, 239, 245, 255, 294, 308, 330, 340, 357, 374, 385, 420, 462, 476, 478, 490, 510, 539, 561, 588, 595, 660, 714, 717, 735, 748, 770, 833, 924, 935, 956, 980, 1020, 1078, 1122, 1155, 1190, 1195, 1309, 1428, 1434, 1470, 1540, 1617, 1666, 1673, 1785, 1870, 2156, 2244, 2310, 2380, 2390, 2499, 2618, 2629, 2695, 2805, 2868, 2940, 3234, 3332, 3346, 3570, 3585, 3740, 3927, 4063, 4165, 4620, 4780, 4998, 5019, 5236, 5258, 5390, 5610, 6468, 6545, 6692, 7140, 7170, 7854, 7887, 8085, 8126, 8330, 8365, 9163, 9996, 10038, 10516, 10780, 11220, 11711, 12189, 12495, 13090, 13145, 14340, 15708, 15774, 16170, 16252, 16660, 16730, 18326, 18403, 19635, 20076, 20315, 23422, 24378, 24990, 25095, 26180, 26290, 27489, 28441, 31548, 32340, 33460, 35133, 36652, 36806, 39270, 39435, 40630, 44693, 45815, 46844, 48756, 49980, 50190, 52580, 54978, 55209, 56882, 58555, 60945, 70266, 73612, 78540, 78870, 81260, 85323, 89386, 91630, 92015, 100380, 109956, 110418, 113764, 117110, 121890, 128821, 134079, 137445, 140532, 142205, 157740, 170646, 175665, 178772, 183260, 184030, 199087, 220836, 223465, 234220, 243780, 257642, 268158, 274890, 276045, 284410, 312851, 341292, 351330, 368060, 386463, 398174, 426615, 446930, 515284, 536316, 549780, 552090, 568820, 597261, 625702, 644105, 670395, 702660, 772926, 796348, 853230, 893860, 938553, 995435, 1104180, 1194522, 1251404, 1288210, 1340790, 1545852, 1564255, 1706460, 1877106, 1932315, 1990870, 2189957, 2389044, 2576420, 2681580, 2986305, 3128510, 3754212, 3864630, 3981740, 4379914, 4692765, 5972610, 6257020, 6569871, 7729260, 8759828, 9385530, 10949785, 11945220, 13139742, 18771060, 21899570, 26279484, 32849355, 43799140, 65698710, 131397420]

約数ペア:

[(1, 131397420), (2, 65698710), (3, 43799140), (4, 32849355), (5, 26279484), (6, 21899570), (7, 18771060), (10, 13139742), (11, 11945220), (12, 10949785), (14, 9385530), (15, 8759828), (17, 7729260), (20, 6569871), (21, 6257020), (22, 5972610), (28, 4692765), (30, 4379914), (33, 3981740), (34, 3864630), (35, 3754212), (42, 3128510), (44, 2986305), (49, 2681580), (51, 2576420), (55, 2389044), (60, 2189957), (66, 1990870), (68, 1932315), (70, 1877106), (77, 1706460), (84, 1564255), (85, 1545852), (98, 1340790), (102, 1288210), (105, 1251404), (110, 1194522), (119, 1104180), (132, 995435), (140, 938553), (147, 893860), (154, 853230), (165, 796348), (170, 772926), (187, 702660), (196, 670395), (204, 644105), (210, 625702), (220, 597261), (231, 568820), (238, 552090), (239, 549780), (245, 536316), (255, 515284), (294, 446930), (308, 426615), (330, 398174), (340, 386463), (357, 368060), (374, 351330), (385, 341292), (420, 312851), (462, 284410), (476, 276045), (478, 274890), (490, 268158), (510, 257642), (539, 243780), (561, 234220), (588, 223465), (595, 220836), (660, 199087), (714, 184030), (717, 183260), (735, 178772), (748, 175665), (770, 170646), (833, 157740), (924, 142205), (935, 140532), (956, 137445), (980, 134079), (1020, 128821), (1078, 121890), (1122, 117110), (1155, 113764), (1190, 110418), (1195, 109956), (1309, 100380), (1428, 92015), (1434, 91630), (1470, 89386), (1540, 85323), (1617, 81260), (1666, 78870), (1673, 78540), (1785, 73612), (1870, 70266), (2156, 60945), (2244, 58555), (2310, 56882), (2380, 55209), (2390, 54978), (2499, 52580), (2618, 50190), (2629, 49980), (2695, 48756), (2805, 46844), (2868, 45815), (2940, 44693), (3234, 40630), (3332, 39435), (3346, 39270), (3570, 36806), (3585, 36652), (3740, 35133), (3927, 33460), (4063, 32340), (4165, 31548), (4620, 28441), (4780, 27489), (4998, 26290), (5019, 26180), (5236, 25095), (5258, 24990), (5390, 24378), (5610, 23422), (6468, 20315), (6545, 20076), (6692, 19635), (7140, 18403), (7170, 18326), (7854, 16730), (7887, 16660), (8085, 16252), (8126, 16170), (8330, 15774), (8365, 15708), (9163, 14340), (9996, 13145), (10038, 13090), (10516, 12495), (10780, 12189), (11220, 11711)]