1278244380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:526

約数の個数: 240

約数和(自身を含む): 4404516480

約数和(自身を除く): 3126272100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 343, 380, 399, 420, 467, 490, 532, 570, 588, 665, 686, 735, 798, 931, 934, 980, 1029, 1140, 1330, 1372, 1401, 1470, 1596, 1715, 1862, 1868, 1995, 2058, 2335, 2401, 2660, 2793, 2802, 2940, 3269, 3430, 3724, 3990, 4116, 4655, 4670, 4802, 5145, 5586, 5604, 6517, 6538, 6860, 7005, 7203, 7980, 8873, 9310, 9340, 9604, 9807, 10290, 11172, 12005, 13034, 13076, 13965, 14010, 14406, 16345, 17746, 18620, 19551, 19614, 20580, 22883, 24010, 26068, 26619, 27930, 28020, 28812, 32585, 32690, 35492, 36015, 39102, 39228, 44365, 45619, 45766, 48020, 49035, 53238, 55860, 62111, 65170, 65380, 68649, 72030, 78204, 88730, 91238, 91532, 97755, 98070, 106476, 114415, 124222, 130340, 133095, 136857, 137298, 144060, 160181, 177460, 182476, 186333, 195510, 196140, 228095, 228830, 248444, 266190, 273714, 274596, 310555, 320362, 343245, 372666, 391020, 434777, 456190, 457660, 480543, 532380, 547428, 621110, 640724, 684285, 686490, 745332, 800905, 869554, 912380, 931665, 961086, 1121267, 1242220, 1304331, 1368570, 1372980, 1601810, 1739108, 1863330, 1922172, 2173885, 2242534, 2402715, 2608662, 2737140, 3043439, 3203620, 3363801, 3726660, 4347770, 4485068, 4805430, 5217324, 5606335, 6086878, 6521655, 6727602, 8695540, 9130317, 9610860, 11212670, 12173756, 13043310, 13455204, 15217195, 16819005, 18260634, 21304073, 22425340, 26086620, 30434390, 33638010, 36521268, 42608146, 45651585, 60868780, 63912219, 67276020, 85216292, 91303170, 106520365, 127824438, 182606340, 213040730, 255648876, 319561095, 426081460, 639122190, 1278244380]

約数ペア:

[(1, 1278244380), (2, 639122190), (3, 426081460), (4, 319561095), (5, 255648876), (6, 213040730), (7, 182606340), (10, 127824438), (12, 106520365), (14, 91303170), (15, 85216292), (19, 67276020), (20, 63912219), (21, 60868780), (28, 45651585), (30, 42608146), (35, 36521268), (38, 33638010), (42, 30434390), (49, 26086620), (57, 22425340), (60, 21304073), (70, 18260634), (76, 16819005), (84, 15217195), (95, 13455204), (98, 13043310), (105, 12173756), (114, 11212670), (133, 9610860), (140, 9130317), (147, 8695540), (190, 6727602), (196, 6521655), (210, 6086878), (228, 5606335), (245, 5217324), (266, 4805430), (285, 4485068), (294, 4347770), (343, 3726660), (380, 3363801), (399, 3203620), (420, 3043439), (467, 2737140), (490, 2608662), (532, 2402715), (570, 2242534), (588, 2173885), (665, 1922172), (686, 1863330), (735, 1739108), (798, 1601810), (931, 1372980), (934, 1368570), (980, 1304331), (1029, 1242220), (1140, 1121267), (1330, 961086), (1372, 931665), (1401, 912380), (1470, 869554), (1596, 800905), (1715, 745332), (1862, 686490), (1868, 684285), (1995, 640724), (2058, 621110), (2335, 547428), (2401, 532380), (2660, 480543), (2793, 457660), (2802, 456190), (2940, 434777), (3269, 391020), (3430, 372666), (3724, 343245), (3990, 320362), (4116, 310555), (4655, 274596), (4670, 273714), (4802, 266190), (5145, 248444), (5586, 228830), (5604, 228095), (6517, 196140), (6538, 195510), (6860, 186333), (7005, 182476), (7203, 177460), (7980, 160181), (8873, 144060), (9310, 137298), (9340, 136857), (9604, 133095), (9807, 130340), (10290, 124222), (11172, 114415), (12005, 106476), (13034, 98070), (13076, 97755), (13965, 91532), (14010, 91238), (14406, 88730), (16345, 78204), (17746, 72030), (18620, 68649), (19551, 65380), (19614, 65170), (20580, 62111), (22883, 55860), (24010, 53238), (26068, 49035), (26619, 48020), (27930, 45766), (28020, 45619), (28812, 44365), (32585, 39228), (32690, 39102), (35492, 36015)]