1520400600

素因数分解:

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

素因数の和:371

約数の個数: 216

約数和(自身を含む): 5213957580

約数和(自身を除く): 3693556980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 61, 72, 75, 90, 100, 120, 122, 150, 180, 183, 200, 225, 227, 244, 300, 305, 360, 366, 450, 454, 488, 549, 600, 610, 681, 732, 900, 908, 915, 1098, 1135, 1220, 1362, 1464, 1525, 1800, 1816, 1830, 2043, 2196, 2270, 2440, 2724, 2745, 3050, 3405, 3660, 3721, 4086, 4392, 4540, 4575, 5448, 5490, 5675, 6100, 6810, 7320, 7442, 8172, 9080, 9150, 10215, 10980, 11163, 11350, 12200, 13620, 13725, 13847, 14884, 16344, 17025, 18300, 18605, 20430, 21960, 22326, 22700, 27240, 27450, 27694, 29768, 33489, 34050, 36600, 37210, 40860, 41541, 44652, 45400, 51075, 54900, 55388, 55815, 66978, 68100, 69235, 74420, 81720, 83082, 89304, 93025, 102150, 109800, 110776, 111630, 124623, 133956, 136200, 138470, 148840, 166164, 167445, 186050, 204300, 207705, 223260, 249246, 267912, 276940, 279075, 332328, 334890, 346175, 372100, 408600, 415410, 446520, 498492, 553880, 558150, 623115, 669780, 692350, 744200, 830820, 837225, 844667, 996984, 1038525, 1116300, 1246230, 1339560, 1384700, 1661640, 1674450, 1689334, 2077050, 2232600, 2492460, 2534001, 2769400, 3115575, 3348900, 3378668, 4154100, 4223335, 4984920, 5068002, 6231150, 6697800, 6757336, 7602003, 8308200, 8446670, 10136004, 12462300, 12670005, 15204006, 16893340, 20272008, 21116675, 24924600, 25340010, 30408012, 33786680, 38010015, 42233350, 50680020, 60816024, 63350025, 76020030, 84466700, 101360040, 126700050, 152040060, 168933400, 190050075, 253400100, 304080120, 380100150, 506800200, 760200300, 1520400600]

約数ペア:

[(1, 1520400600), (2, 760200300), (3, 506800200), (4, 380100150), (5, 304080120), (6, 253400100), (8, 190050075), (9, 168933400), (10, 152040060), (12, 126700050), (15, 101360040), (18, 84466700), (20, 76020030), (24, 63350025), (25, 60816024), (30, 50680020), (36, 42233350), (40, 38010015), (45, 33786680), (50, 30408012), (60, 25340010), (61, 24924600), (72, 21116675), (75, 20272008), (90, 16893340), (100, 15204006), (120, 12670005), (122, 12462300), (150, 10136004), (180, 8446670), (183, 8308200), (200, 7602003), (225, 6757336), (227, 6697800), (244, 6231150), (300, 5068002), (305, 4984920), (360, 4223335), (366, 4154100), (450, 3378668), (454, 3348900), (488, 3115575), (549, 2769400), (600, 2534001), (610, 2492460), (681, 2232600), (732, 2077050), (900, 1689334), (908, 1674450), (915, 1661640), (1098, 1384700), (1135, 1339560), (1220, 1246230), (1362, 1116300), (1464, 1038525), (1525, 996984), (1800, 844667), (1816, 837225), (1830, 830820), (2043, 744200), (2196, 692350), (2270, 669780), (2440, 623115), (2724, 558150), (2745, 553880), (3050, 498492), (3405, 446520), (3660, 415410), (3721, 408600), (4086, 372100), (4392, 346175), (4540, 334890), (4575, 332328), (5448, 279075), (5490, 276940), (5675, 267912), (6100, 249246), (6810, 223260), (7320, 207705), (7442, 204300), (8172, 186050), (9080, 167445), (9150, 166164), (10215, 148840), (10980, 138470), (11163, 136200), (11350, 133956), (12200, 124623), (13620, 111630), (13725, 110776), (13847, 109800), (14884, 102150), (16344, 93025), (17025, 89304), (18300, 83082), (18605, 81720), (20430, 74420), (21960, 69235), (22326, 68100), (22700, 66978), (27240, 55815), (27450, 55388), (27694, 54900), (29768, 51075), (33489, 45400), (34050, 44652), (36600, 41541), (37210, 40860)]