1980904500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{479}}^1\times {\mathrm{919}}^1$

素因数の和:1423

約数の個数: 144

約数和(自身を含む): 6268953600

約数和(自身を除く): 4288049100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 479, 500, 750, 900, 919, 958, 1125, 1437, 1500, 1838, 1916, 2250, 2395, 2757, 2874, 3676, 4311, 4500, 4595, 4790, 5514, 5748, 7185, 8271, 8622, 9190, 9580, 11028, 11975, 13785, 14370, 16542, 17244, 18380, 21555, 22975, 23950, 27570, 28740, 33084, 35925, 41355, 43110, 45950, 47900, 55140, 59875, 68925, 71850, 82710, 86220, 91900, 107775, 114875, 119750, 137850, 143700, 165420, 179625, 206775, 215550, 229750, 239500, 275700, 344625, 359250, 413550, 431100, 440201, 459500, 538875, 689250, 718500, 827100, 880402, 1033875, 1077750, 1320603, 1378500, 1760804, 2067750, 2155500, 2201005, 2641206, 3961809, 4135500, 4402010, 5282412, 6603015, 7923618, 8804020, 11005025, 13206030, 15847236, 19809045, 22010050, 26412060, 33015075, 39618090, 44020100, 55025125, 66030150, 79236180, 99045225, 110050250, 132060300, 165075375, 198090450, 220100500, 330150750, 396180900, 495226125, 660301500, 990452250, 1980904500]

約数ペア:

[(1, 1980904500), (2, 990452250), (3, 660301500), (4, 495226125), (5, 396180900), (6, 330150750), (9, 220100500), (10, 198090450), (12, 165075375), (15, 132060300), (18, 110050250), (20, 99045225), (25, 79236180), (30, 66030150), (36, 55025125), (45, 44020100), (50, 39618090), (60, 33015075), (75, 26412060), (90, 22010050), (100, 19809045), (125, 15847236), (150, 13206030), (180, 11005025), (225, 8804020), (250, 7923618), (300, 6603015), (375, 5282412), (450, 4402010), (479, 4135500), (500, 3961809), (750, 2641206), (900, 2201005), (919, 2155500), (958, 2067750), (1125, 1760804), (1437, 1378500), (1500, 1320603), (1838, 1077750), (1916, 1033875), (2250, 880402), (2395, 827100), (2757, 718500), (2874, 689250), (3676, 538875), (4311, 459500), (4500, 440201), (4595, 431100), (4790, 413550), (5514, 359250), (5748, 344625), (7185, 275700), (8271, 239500), (8622, 229750), (9190, 215550), (9580, 206775), (11028, 179625), (11975, 165420), (13785, 143700), (14370, 137850), (16542, 119750), (17244, 114875), (18380, 107775), (21555, 91900), (22975, 86220), (23950, 82710), (27570, 71850), (28740, 68925), (33084, 59875), (35925, 55140), (41355, 47900), (43110, 45950)]