1326780

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{13}}^1$

素因数の和:47

約数の個数: 168

約数和(自身を含む): 5141472

約数和(自身を除く): 3814692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 243, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 455, 468, 486, 540, 546, 567, 585, 630, 702, 729, 756, 780, 810, 819, 910, 945, 972, 1053, 1092, 1134, 1170, 1215, 1260, 1365, 1404, 1458, 1620, 1638, 1701, 1755, 1820, 1890, 2106, 2268, 2340, 2430, 2457, 2730, 2835, 2916, 3159, 3276, 3402, 3510, 3645, 3780, 4095, 4212, 4860, 4914, 5103, 5265, 5460, 5670, 6318, 6804, 7020, 7290, 7371, 8190, 8505, 9477, 9828, 10206, 10530, 11340, 12285, 12636, 14580, 14742, 15795, 16380, 17010, 18954, 20412, 21060, 22113, 24570, 25515, 29484, 31590, 34020, 36855, 37908, 44226, 47385, 49140, 51030, 63180, 66339, 73710, 88452, 94770, 102060, 110565, 132678, 147420, 189540, 221130, 265356, 331695, 442260, 663390, 1326780]

約数ペア:

[(1, 1326780), (2, 663390), (3, 442260), (4, 331695), (5, 265356), (6, 221130), (7, 189540), (9, 147420), (10, 132678), (12, 110565), (13, 102060), (14, 94770), (15, 88452), (18, 73710), (20, 66339), (21, 63180), (26, 51030), (27, 49140), (28, 47385), (30, 44226), (35, 37908), (36, 36855), (39, 34020), (42, 31590), (45, 29484), (52, 25515), (54, 24570), (60, 22113), (63, 21060), (65, 20412), (70, 18954), (78, 17010), (81, 16380), (84, 15795), (90, 14742), (91, 14580), (105, 12636), (108, 12285), (117, 11340), (126, 10530), (130, 10206), (135, 9828), (140, 9477), (156, 8505), (162, 8190), (180, 7371), (182, 7290), (189, 7020), (195, 6804), (210, 6318), (234, 5670), (243, 5460), (252, 5265), (260, 5103), (270, 4914), (273, 4860), (315, 4212), (324, 4095), (351, 3780), (364, 3645), (378, 3510), (390, 3402), (405, 3276), (420, 3159), (455, 2916), (468, 2835), (486, 2730), (540, 2457), (546, 2430), (567, 2340), (585, 2268), (630, 2106), (702, 1890), (729, 1820), (756, 1755), (780, 1701), (810, 1638), (819, 1620), (910, 1458), (945, 1404), (972, 1365), (1053, 1260), (1092, 1215), (1134, 1170)]