28361340

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 105868224

約数和(自身を除く): 77506884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 61, 63, 70, 81, 82, 84, 90, 105, 108, 122, 123, 126, 135, 140, 162, 164, 180, 183, 189, 205, 210, 244, 246, 252, 270, 287, 305, 315, 324, 366, 369, 378, 405, 410, 420, 427, 492, 540, 549, 567, 574, 610, 615, 630, 732, 738, 756, 810, 820, 854, 861, 915, 945, 1098, 1107, 1134, 1148, 1220, 1230, 1260, 1281, 1435, 1476, 1620, 1647, 1708, 1722, 1830, 1845, 1890, 2135, 2196, 2214, 2268, 2460, 2501, 2562, 2583, 2745, 2835, 2870, 3294, 3321, 3444, 3660, 3690, 3780, 3843, 4270, 4305, 4428, 4941, 5002, 5124, 5166, 5490, 5535, 5670, 5740, 6405, 6588, 6642, 7380, 7503, 7686, 7749, 8235, 8540, 8610, 9882, 10004, 10332, 10980, 11070, 11340, 11529, 12505, 12810, 12915, 13284, 15006, 15372, 15498, 16470, 16605, 17220, 17507, 19215, 19764, 22140, 22509, 23058, 23247, 24705, 25010, 25620, 25830, 30012, 30996, 32940, 33210, 34587, 35014, 37515, 38430, 38745, 45018, 46116, 46494, 49410, 50020, 51660, 52521, 57645, 66420, 67527, 69174, 70028, 75030, 76860, 77490, 87535, 90036, 92988, 98820, 105042, 112545, 115290, 116235, 135054, 138348, 150060, 154980, 157563, 172935, 175070, 202581, 210084, 225090, 230580, 232470, 262605, 270108, 315126, 337635, 345870, 350140, 405162, 450180, 464940, 472689, 525210, 630252, 675270, 691740, 787815, 810324, 945378, 1012905, 1050420, 1350540, 1418067, 1575630, 1890756, 2025810, 2363445, 2836134, 3151260, 4051620, 4726890, 5672268, 7090335, 9453780, 14180670, 28361340]

約数ペア:

[(1, 28361340), (2, 14180670), (3, 9453780), (4, 7090335), (5, 5672268), (6, 4726890), (7, 4051620), (9, 3151260), (10, 2836134), (12, 2363445), (14, 2025810), (15, 1890756), (18, 1575630), (20, 1418067), (21, 1350540), (27, 1050420), (28, 1012905), (30, 945378), (35, 810324), (36, 787815), (41, 691740), (42, 675270), (45, 630252), (54, 525210), (60, 472689), (61, 464940), (63, 450180), (70, 405162), (81, 350140), (82, 345870), (84, 337635), (90, 315126), (105, 270108), (108, 262605), (122, 232470), (123, 230580), (126, 225090), (135, 210084), (140, 202581), (162, 175070), (164, 172935), (180, 157563), (183, 154980), (189, 150060), (205, 138348), (210, 135054), (244, 116235), (246, 115290), (252, 112545), (270, 105042), (287, 98820), (305, 92988), (315, 90036), (324, 87535), (366, 77490), (369, 76860), (378, 75030), (405, 70028), (410, 69174), (420, 67527), (427, 66420), (492, 57645), (540, 52521), (549, 51660), (567, 50020), (574, 49410), (610, 46494), (615, 46116), (630, 45018), (732, 38745), (738, 38430), (756, 37515), (810, 35014), (820, 34587), (854, 33210), (861, 32940), (915, 30996), (945, 30012), (1098, 25830), (1107, 25620), (1134, 25010), (1148, 24705), (1220, 23247), (1230, 23058), (1260, 22509), (1281, 22140), (1435, 19764), (1476, 19215), (1620, 17507), (1647, 17220), (1708, 16605), (1722, 16470), (1830, 15498), (1845, 15372), (1890, 15006), (2135, 13284), (2196, 12915), (2214, 12810), (2268, 12505), (2460, 11529), (2501, 11340), (2562, 11070), (2583, 10980), (2745, 10332), (2835, 10004), (2870, 9882), (3294, 8610), (3321, 8540), (3444, 8235), (3660, 7749), (3690, 7686), (3780, 7503), (3843, 7380), (4270, 6642), (4305, 6588), (4428, 6405), (4941, 5740), (5002, 5670), (5124, 5535), (5166, 5490)]