1261396890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:541

約数の個数: 192

約数和(自身を含む): 3750364800

約数和(自身を除く): 2488967910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 114, 117, 130, 171, 179, 190, 195, 234, 247, 285, 317, 342, 358, 390, 494, 537, 570, 585, 634, 741, 855, 895, 951, 1074, 1170, 1235, 1482, 1585, 1611, 1710, 1790, 1902, 2223, 2327, 2470, 2685, 2853, 3170, 3222, 3401, 3705, 4121, 4446, 4654, 4755, 5370, 5706, 6023, 6802, 6981, 7410, 8055, 8242, 9510, 10203, 11115, 11635, 12046, 12363, 13962, 14265, 16110, 17005, 18069, 20406, 20605, 20943, 22230, 23270, 24726, 28530, 30115, 30609, 34010, 34905, 36138, 37089, 41210, 41886, 44213, 51015, 54207, 56743, 60230, 61218, 61815, 69810, 74178, 78299, 88426, 90345, 102030, 104715, 108414, 113486, 123630, 132639, 153045, 156598, 170229, 180690, 185445, 209430, 221065, 234897, 265278, 271035, 283715, 306090, 340458, 370890, 391495, 397917, 442130, 469794, 510687, 542070, 567430, 663195, 704691, 737659, 782990, 795834, 851145, 1021374, 1078117, 1174485, 1326390, 1409382, 1475318, 1702290, 1989585, 2156234, 2212977, 2348970, 2553435, 3234351, 3523455, 3688295, 3979170, 4425954, 5106870, 5390585, 6468702, 6638931, 7046910, 7376590, 9703053, 10781170, 11064885, 13277862, 14015521, 16171755, 19406106, 22129770, 28031042, 32343510, 33194655, 42046563, 48515265, 66389310, 70077605, 84093126, 97030530, 126139689, 140155210, 210232815, 252279378, 420465630, 630698445, 1261396890]

約数ペア:

[(1, 1261396890), (2, 630698445), (3, 420465630), (5, 252279378), (6, 210232815), (9, 140155210), (10, 126139689), (13, 97030530), (15, 84093126), (18, 70077605), (19, 66389310), (26, 48515265), (30, 42046563), (38, 33194655), (39, 32343510), (45, 28031042), (57, 22129770), (65, 19406106), (78, 16171755), (90, 14015521), (95, 13277862), (114, 11064885), (117, 10781170), (130, 9703053), (171, 7376590), (179, 7046910), (190, 6638931), (195, 6468702), (234, 5390585), (247, 5106870), (285, 4425954), (317, 3979170), (342, 3688295), (358, 3523455), (390, 3234351), (494, 2553435), (537, 2348970), (570, 2212977), (585, 2156234), (634, 1989585), (741, 1702290), (855, 1475318), (895, 1409382), (951, 1326390), (1074, 1174485), (1170, 1078117), (1235, 1021374), (1482, 851145), (1585, 795834), (1611, 782990), (1710, 737659), (1790, 704691), (1902, 663195), (2223, 567430), (2327, 542070), (2470, 510687), (2685, 469794), (2853, 442130), (3170, 397917), (3222, 391495), (3401, 370890), (3705, 340458), (4121, 306090), (4446, 283715), (4654, 271035), (4755, 265278), (5370, 234897), (5706, 221065), (6023, 209430), (6802, 185445), (6981, 180690), (7410, 170229), (8055, 156598), (8242, 153045), (9510, 132639), (10203, 123630), (11115, 113486), (11635, 108414), (12046, 104715), (12363, 102030), (13962, 90345), (14265, 88426), (16110, 78299), (17005, 74178), (18069, 69810), (20406, 61815), (20605, 61218), (20943, 60230), (22230, 56743), (23270, 54207), (24726, 51015), (28530, 44213), (30115, 41886), (30609, 41210), (34010, 37089), (34905, 36138)]