261845460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 887927040

約数和(自身を除く): 626081580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 47, 54, 57, 60, 76, 81, 90, 94, 95, 108, 114, 135, 141, 162, 171, 180, 181, 188, 190, 228, 235, 270, 282, 285, 324, 342, 362, 380, 405, 423, 470, 513, 540, 543, 564, 570, 684, 705, 724, 810, 846, 855, 893, 905, 940, 1026, 1086, 1140, 1269, 1410, 1539, 1620, 1629, 1692, 1710, 1786, 1810, 2052, 2115, 2172, 2538, 2565, 2679, 2715, 2820, 3078, 3258, 3420, 3439, 3572, 3620, 3807, 4230, 4465, 4887, 5076, 5130, 5358, 5430, 6156, 6345, 6516, 6878, 7614, 7695, 8037, 8145, 8460, 8507, 8930, 9774, 10260, 10317, 10716, 10860, 12690, 13395, 13756, 14661, 15228, 15390, 16074, 16290, 17014, 17195, 17860, 19035, 19548, 20634, 24111, 24435, 25380, 25521, 26790, 29322, 30780, 30951, 32148, 32580, 34028, 34390, 38070, 40185, 41268, 42535, 48222, 48870, 51042, 51585, 53580, 58644, 61902, 68780, 72333, 73305, 76140, 76563, 80370, 85070, 92853, 96444, 97740, 102084, 103170, 120555, 123804, 127605, 144666, 146610, 153126, 154755, 160740, 161633, 170140, 185706, 206340, 229689, 241110, 255210, 278559, 289332, 293220, 306252, 309510, 323266, 361665, 371412, 382815, 459378, 464265, 482220, 484899, 510420, 557118, 619020, 646532, 689067, 723330, 765630, 808165, 918756, 928530, 969798, 1114236, 1148445, 1378134, 1392795, 1446660, 1454697, 1531260, 1616330, 1857060, 1939596, 2296890, 2424495, 2756268, 2785590, 2909394, 3232660, 3445335, 4364091, 4593780, 4848990, 5571180, 5818788, 6890670, 7273485, 8728182, 9697980, 13092273, 13781340, 14546970, 17456364, 21820455, 26184546, 29093940, 43640910, 52369092, 65461365, 87281820, 130922730, 261845460]

約数ペア:

[(1, 261845460), (2, 130922730), (3, 87281820), (4, 65461365), (5, 52369092), (6, 43640910), (9, 29093940), (10, 26184546), (12, 21820455), (15, 17456364), (18, 14546970), (19, 13781340), (20, 13092273), (27, 9697980), (30, 8728182), (36, 7273485), (38, 6890670), (45, 5818788), (47, 5571180), (54, 4848990), (57, 4593780), (60, 4364091), (76, 3445335), (81, 3232660), (90, 2909394), (94, 2785590), (95, 2756268), (108, 2424495), (114, 2296890), (135, 1939596), (141, 1857060), (162, 1616330), (171, 1531260), (180, 1454697), (181, 1446660), (188, 1392795), (190, 1378134), (228, 1148445), (235, 1114236), (270, 969798), (282, 928530), (285, 918756), (324, 808165), (342, 765630), (362, 723330), (380, 689067), (405, 646532), (423, 619020), (470, 557118), (513, 510420), (540, 484899), (543, 482220), (564, 464265), (570, 459378), (684, 382815), (705, 371412), (724, 361665), (810, 323266), (846, 309510), (855, 306252), (893, 293220), (905, 289332), (940, 278559), (1026, 255210), (1086, 241110), (1140, 229689), (1269, 206340), (1410, 185706), (1539, 170140), (1620, 161633), (1629, 160740), (1692, 154755), (1710, 153126), (1786, 146610), (1810, 144666), (2052, 127605), (2115, 123804), (2172, 120555), (2538, 103170), (2565, 102084), (2679, 97740), (2715, 96444), (2820, 92853), (3078, 85070), (3258, 80370), (3420, 76563), (3439, 76140), (3572, 73305), (3620, 72333), (3807, 68780), (4230, 61902), (4465, 58644), (4887, 53580), (5076, 51585), (5130, 51042), (5358, 48870), (5430, 48222), (6156, 42535), (6345, 41268), (6516, 40185), (6878, 38070), (7614, 34390), (7695, 34028), (8037, 32580), (8145, 32148), (8460, 30951), (8507, 30780), (8930, 29322), (9774, 26790), (10260, 25521), (10317, 25380), (10716, 24435), (10860, 24111), (12690, 20634), (13395, 19548), (13756, 19035), (14661, 17860), (15228, 17195), (15390, 17014), (16074, 16290)]