280657440

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{9281}}^1$

素因数の和:9312

約数の個数: 192

約数和(自身を含む): 1122750720

約数和(自身を除く): 842093280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 9281, 10080, 15120, 18562, 27843, 30240, 37124, 46405, 55686, 64967, 74248, 83529, 92810, 111372, 129934, 139215, 148496, 167058, 185620, 194901, 222744, 250587, 259868, 278430, 296992, 324835, 334116, 371240, 389802, 417645, 445488, 501174, 519736, 556860, 584703, 649670, 668232, 742480, 779604, 835290, 890976, 974505, 1002348, 1039472, 1113720, 1169406, 1252935, 1299340, 1336464, 1484960, 1559208, 1670580, 1754109, 1949010, 2004696, 2078944, 2227440, 2338812, 2505870, 2598680, 2672928, 2923515, 3118416, 3341160, 3508218, 3898020, 4009392, 4454880, 4677624, 5011740, 5197360, 5847030, 6236832, 6682320, 7016436, 7796040, 8018784, 8770545, 9355248, 10023480, 10394720, 11694060, 13364640, 14032872, 15592080, 17541090, 18710496, 20046960, 23388120, 28065744, 31184160, 35082180, 40093920, 46776240, 56131488, 70164360, 93552480, 140328720, 280657440]

約数ペア:

[(1, 280657440), (2, 140328720), (3, 93552480), (4, 70164360), (5, 56131488), (6, 46776240), (7, 40093920), (8, 35082180), (9, 31184160), (10, 28065744), (12, 23388120), (14, 20046960), (15, 18710496), (16, 17541090), (18, 15592080), (20, 14032872), (21, 13364640), (24, 11694060), (27, 10394720), (28, 10023480), (30, 9355248), (32, 8770545), (35, 8018784), (36, 7796040), (40, 7016436), (42, 6682320), (45, 6236832), (48, 5847030), (54, 5197360), (56, 5011740), (60, 4677624), (63, 4454880), (70, 4009392), (72, 3898020), (80, 3508218), (84, 3341160), (90, 3118416), (96, 2923515), (105, 2672928), (108, 2598680), (112, 2505870), (120, 2338812), (126, 2227440), (135, 2078944), (140, 2004696), (144, 1949010), (160, 1754109), (168, 1670580), (180, 1559208), (189, 1484960), (210, 1336464), (216, 1299340), (224, 1252935), (240, 1169406), (252, 1113720), (270, 1039472), (280, 1002348), (288, 974505), (315, 890976), (336, 835290), (360, 779604), (378, 742480), (420, 668232), (432, 649670), (480, 584703), (504, 556860), (540, 519736), (560, 501174), (630, 445488), (672, 417645), (720, 389802), (756, 371240), (840, 334116), (864, 324835), (945, 296992), (1008, 278430), (1080, 259868), (1120, 250587), (1260, 222744), (1440, 194901), (1512, 185620), (1680, 167058), (1890, 148496), (2016, 139215), (2160, 129934), (2520, 111372), (3024, 92810), (3360, 83529), (3780, 74248), (4320, 64967), (5040, 55686), (6048, 46405), (7560, 37124), (9281, 30240), (10080, 27843), (15120, 18562)]