1720240060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 216

約数和(自身を含む): 4699613520

約数和(自身を除く): 2979373460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 89, 98, 110, 121, 140, 154, 163, 178, 196, 220, 242, 245, 308, 326, 356, 385, 445, 484, 490, 539, 605, 623, 652, 770, 815, 847, 890, 979, 980, 1078, 1141, 1210, 1246, 1540, 1630, 1694, 1780, 1793, 1958, 2156, 2282, 2420, 2492, 2695, 3115, 3260, 3388, 3586, 3916, 4235, 4361, 4564, 4895, 5390, 5705, 5929, 6230, 6853, 7172, 7987, 8470, 8722, 8965, 9790, 10769, 10780, 11410, 11858, 12460, 12551, 13706, 14507, 15974, 16940, 17444, 17930, 19580, 19723, 21538, 21805, 22820, 23716, 25102, 27412, 29014, 29645, 31948, 34265, 35860, 39446, 39935, 43076, 43610, 47971, 50204, 53845, 58028, 59290, 62755, 68530, 72535, 75383, 78892, 79870, 87220, 87857, 95942, 98615, 101549, 107690, 118580, 125510, 137060, 138061, 145070, 150766, 159577, 159740, 175714, 191884, 197230, 203098, 215380, 239855, 251020, 276122, 290140, 301532, 319154, 351428, 376915, 394460, 406196, 439285, 479710, 507745, 527681, 552244, 638308, 690305, 710843, 753830, 797885, 878570, 959420, 966427, 1015490, 1055362, 1117039, 1380610, 1421686, 1507660, 1595770, 1755347, 1757140, 1932854, 2030980, 2110724, 2234078, 2638405, 2761220, 2843372, 3191540, 3510694, 3554215, 3865708, 4468156, 4832135, 5276810, 5585195, 7021388, 7108430, 7819273, 8776735, 9664270, 10553620, 11170390, 12287429, 14216860, 15638546, 17553470, 19328540, 22340780, 24574858, 31277092, 35106940, 39096365, 49149716, 61437145, 78192730, 86012003, 122874290, 156385460, 172024006, 245748580, 344048012, 430060015, 860120030, 1720240060]

約数ペア:

[(1, 1720240060), (2, 860120030), (4, 430060015), (5, 344048012), (7, 245748580), (10, 172024006), (11, 156385460), (14, 122874290), (20, 86012003), (22, 78192730), (28, 61437145), (35, 49149716), (44, 39096365), (49, 35106940), (55, 31277092), (70, 24574858), (77, 22340780), (89, 19328540), (98, 17553470), (110, 15638546), (121, 14216860), (140, 12287429), (154, 11170390), (163, 10553620), (178, 9664270), (196, 8776735), (220, 7819273), (242, 7108430), (245, 7021388), (308, 5585195), (326, 5276810), (356, 4832135), (385, 4468156), (445, 3865708), (484, 3554215), (490, 3510694), (539, 3191540), (605, 2843372), (623, 2761220), (652, 2638405), (770, 2234078), (815, 2110724), (847, 2030980), (890, 1932854), (979, 1757140), (980, 1755347), (1078, 1595770), (1141, 1507660), (1210, 1421686), (1246, 1380610), (1540, 1117039), (1630, 1055362), (1694, 1015490), (1780, 966427), (1793, 959420), (1958, 878570), (2156, 797885), (2282, 753830), (2420, 710843), (2492, 690305), (2695, 638308), (3115, 552244), (3260, 527681), (3388, 507745), (3586, 479710), (3916, 439285), (4235, 406196), (4361, 394460), (4564, 376915), (4895, 351428), (5390, 319154), (5705, 301532), (5929, 290140), (6230, 276122), (6853, 251020), (7172, 239855), (7987, 215380), (8470, 203098), (8722, 197230), (8965, 191884), (9790, 175714), (10769, 159740), (10780, 159577), (11410, 150766), (11858, 145070), (12460, 138061), (12551, 137060), (13706, 125510), (14507, 118580), (15974, 107690), (16940, 101549), (17444, 98615), (17930, 95942), (19580, 87857), (19723, 87220), (21538, 79870), (21805, 78892), (22820, 75383), (23716, 72535), (25102, 68530), (27412, 62755), (29014, 59290), (29645, 58028), (31948, 53845), (34265, 50204), (35860, 47971), (39446, 43610), (39935, 43076)]