1320809600

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 192

約数和(自身を含む): 3597091200

約数和(自身を除く): 2276281600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 157, 160, 176, 200, 220, 239, 275, 314, 320, 352, 400, 440, 478, 550, 628, 640, 704, 785, 800, 880, 956, 1100, 1195, 1256, 1408, 1570, 1600, 1727, 1760, 1912, 2200, 2390, 2512, 2629, 3140, 3200, 3454, 3520, 3824, 3925, 4400, 4780, 5024, 5258, 5975, 6280, 6908, 7040, 7648, 7850, 8635, 8800, 9560, 10048, 10516, 11950, 12560, 13145, 13816, 15296, 15700, 17270, 17600, 19120, 20096, 21032, 23900, 25120, 26290, 27632, 30592, 31400, 34540, 35200, 37523, 38240, 42064, 43175, 47800, 50240, 52580, 55264, 62800, 65725, 69080, 75046, 76480, 84128, 86350, 95600, 100480, 105160, 110528, 125600, 131450, 138160, 150092, 152960, 168256, 172700, 187615, 191200, 210320, 221056, 251200, 262900, 276320, 300184, 336512, 345400, 375230, 382400, 412753, 420640, 502400, 525800, 552640, 600368, 690800, 750460, 764800, 825506, 841280, 938075, 1051600, 1105280, 1200736, 1381600, 1500920, 1651012, 1682560, 1876150, 2063765, 2103200, 2401472, 2763200, 3001840, 3302024, 3752300, 4127530, 4206400, 4802944, 5526400, 6003680, 6604048, 7504600, 8255060, 8412800, 10318825, 12007360, 13208096, 15009200, 16510120, 20637650, 24014720, 26416192, 30018400, 33020240, 41275300, 52832384, 60036800, 66040480, 82550600, 120073600, 132080960, 165101200, 264161920, 330202400, 660404800, 1320809600]

約数ペア:

[(1, 1320809600), (2, 660404800), (4, 330202400), (5, 264161920), (8, 165101200), (10, 132080960), (11, 120073600), (16, 82550600), (20, 66040480), (22, 60036800), (25, 52832384), (32, 41275300), (40, 33020240), (44, 30018400), (50, 26416192), (55, 24014720), (64, 20637650), (80, 16510120), (88, 15009200), (100, 13208096), (110, 12007360), (128, 10318825), (157, 8412800), (160, 8255060), (176, 7504600), (200, 6604048), (220, 6003680), (239, 5526400), (275, 4802944), (314, 4206400), (320, 4127530), (352, 3752300), (400, 3302024), (440, 3001840), (478, 2763200), (550, 2401472), (628, 2103200), (640, 2063765), (704, 1876150), (785, 1682560), (800, 1651012), (880, 1500920), (956, 1381600), (1100, 1200736), (1195, 1105280), (1256, 1051600), (1408, 938075), (1570, 841280), (1600, 825506), (1727, 764800), (1760, 750460), (1912, 690800), (2200, 600368), (2390, 552640), (2512, 525800), (2629, 502400), (3140, 420640), (3200, 412753), (3454, 382400), (3520, 375230), (3824, 345400), (3925, 336512), (4400, 300184), (4780, 276320), (5024, 262900), (5258, 251200), (5975, 221056), (6280, 210320), (6908, 191200), (7040, 187615), (7648, 172700), (7850, 168256), (8635, 152960), (8800, 150092), (9560, 138160), (10048, 131450), (10516, 125600), (11950, 110528), (12560, 105160), (13145, 100480), (13816, 95600), (15296, 86350), (15700, 84128), (17270, 76480), (17600, 75046), (19120, 69080), (20096, 65725), (21032, 62800), (23900, 55264), (25120, 52580), (26290, 50240), (27632, 47800), (30592, 43175), (31400, 42064), (34540, 38240), (35200, 37523)]