204381720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:346

約数の個数: 192

約数和(自身を含む): 694643040

約数和(自身を除く): 490261320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 61, 72, 82, 90, 120, 122, 123, 164, 180, 183, 205, 227, 244, 246, 305, 328, 360, 366, 369, 410, 454, 488, 492, 549, 610, 615, 681, 732, 738, 820, 908, 915, 984, 1098, 1135, 1220, 1230, 1362, 1464, 1476, 1640, 1816, 1830, 1845, 2043, 2196, 2270, 2440, 2460, 2501, 2724, 2745, 2952, 3405, 3660, 3690, 4086, 4392, 4540, 4920, 5002, 5448, 5490, 6810, 7320, 7380, 7503, 8172, 9080, 9307, 10004, 10215, 10980, 12505, 13620, 13847, 14760, 15006, 16344, 18614, 20008, 20430, 21960, 22509, 25010, 27240, 27694, 27921, 30012, 37228, 37515, 40860, 41541, 45018, 46535, 50020, 55388, 55842, 60024, 69235, 74456, 75030, 81720, 83082, 83763, 90036, 93070, 100040, 110776, 111684, 112545, 124623, 138470, 139605, 150060, 166164, 167526, 180072, 186140, 207705, 223368, 225090, 249246, 276940, 279210, 300120, 332328, 335052, 372280, 415410, 418815, 450180, 498492, 553880, 558420, 567727, 623115, 670104, 830820, 837630, 900360, 996984, 1116840, 1135454, 1246230, 1661640, 1675260, 1703181, 2270908, 2492460, 2838635, 3350520, 3406362, 4541816, 4984920, 5109543, 5677270, 6812724, 8515905, 10219086, 11354540, 13625448, 17031810, 20438172, 22709080, 25547715, 34063620, 40876344, 51095430, 68127240, 102190860, 204381720]

約数ペア:

[(1, 204381720), (2, 102190860), (3, 68127240), (4, 51095430), (5, 40876344), (6, 34063620), (8, 25547715), (9, 22709080), (10, 20438172), (12, 17031810), (15, 13625448), (18, 11354540), (20, 10219086), (24, 8515905), (30, 6812724), (36, 5677270), (40, 5109543), (41, 4984920), (45, 4541816), (60, 3406362), (61, 3350520), (72, 2838635), (82, 2492460), (90, 2270908), (120, 1703181), (122, 1675260), (123, 1661640), (164, 1246230), (180, 1135454), (183, 1116840), (205, 996984), (227, 900360), (244, 837630), (246, 830820), (305, 670104), (328, 623115), (360, 567727), (366, 558420), (369, 553880), (410, 498492), (454, 450180), (488, 418815), (492, 415410), (549, 372280), (610, 335052), (615, 332328), (681, 300120), (732, 279210), (738, 276940), (820, 249246), (908, 225090), (915, 223368), (984, 207705), (1098, 186140), (1135, 180072), (1220, 167526), (1230, 166164), (1362, 150060), (1464, 139605), (1476, 138470), (1640, 124623), (1816, 112545), (1830, 111684), (1845, 110776), (2043, 100040), (2196, 93070), (2270, 90036), (2440, 83763), (2460, 83082), (2501, 81720), (2724, 75030), (2745, 74456), (2952, 69235), (3405, 60024), (3660, 55842), (3690, 55388), (4086, 50020), (4392, 46535), (4540, 45018), (4920, 41541), (5002, 40860), (5448, 37515), (5490, 37228), (6810, 30012), (7320, 27921), (7380, 27694), (7503, 27240), (8172, 25010), (9080, 22509), (9307, 21960), (10004, 20430), (10215, 20008), (10980, 18614), (12505, 16344), (13620, 15006), (13847, 14760)]