2178540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 216

約数和(自身を含む): 8714160

約数和(自身を除く): 6535620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 49, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 98, 105, 114, 117, 126, 130, 133, 140, 147, 156, 171, 180, 182, 190, 195, 196, 210, 228, 234, 245, 247, 252, 260, 266, 273, 285, 294, 315, 342, 364, 380, 390, 399, 420, 441, 455, 468, 490, 494, 532, 546, 570, 585, 588, 630, 637, 665, 684, 735, 741, 780, 798, 819, 855, 882, 910, 931, 980, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1274, 1330, 1365, 1470, 1482, 1596, 1638, 1710, 1729, 1764, 1820, 1862, 1911, 1995, 2205, 2223, 2340, 2394, 2470, 2548, 2660, 2730, 2793, 2940, 2964, 3185, 3276, 3420, 3458, 3705, 3724, 3822, 3990, 4095, 4410, 4446, 4655, 4788, 4940, 5187, 5460, 5586, 5733, 5985, 6370, 6916, 7410, 7644, 7980, 8190, 8379, 8645, 8820, 8892, 9310, 9555, 10374, 11115, 11172, 11466, 11970, 12103, 12740, 13965, 14820, 15561, 16380, 16758, 17290, 18620, 19110, 20748, 22230, 22932, 23940, 24206, 25935, 27930, 28665, 31122, 33516, 34580, 36309, 38220, 41895, 44460, 48412, 51870, 55860, 57330, 60515, 62244, 72618, 77805, 83790, 103740, 108927, 114660, 121030, 145236, 155610, 167580, 181545, 217854, 242060, 311220, 363090, 435708, 544635, 726180, 1089270, 2178540]

約数ペア:

[(1, 2178540), (2, 1089270), (3, 726180), (4, 544635), (5, 435708), (6, 363090), (7, 311220), (9, 242060), (10, 217854), (12, 181545), (13, 167580), (14, 155610), (15, 145236), (18, 121030), (19, 114660), (20, 108927), (21, 103740), (26, 83790), (28, 77805), (30, 72618), (35, 62244), (36, 60515), (38, 57330), (39, 55860), (42, 51870), (45, 48412), (49, 44460), (52, 41895), (57, 38220), (60, 36309), (63, 34580), (65, 33516), (70, 31122), (76, 28665), (78, 27930), (84, 25935), (90, 24206), (91, 23940), (95, 22932), (98, 22230), (105, 20748), (114, 19110), (117, 18620), (126, 17290), (130, 16758), (133, 16380), (140, 15561), (147, 14820), (156, 13965), (171, 12740), (180, 12103), (182, 11970), (190, 11466), (195, 11172), (196, 11115), (210, 10374), (228, 9555), (234, 9310), (245, 8892), (247, 8820), (252, 8645), (260, 8379), (266, 8190), (273, 7980), (285, 7644), (294, 7410), (315, 6916), (342, 6370), (364, 5985), (380, 5733), (390, 5586), (399, 5460), (420, 5187), (441, 4940), (455, 4788), (468, 4655), (490, 4446), (494, 4410), (532, 4095), (546, 3990), (570, 3822), (585, 3724), (588, 3705), (630, 3458), (637, 3420), (665, 3276), (684, 3185), (735, 2964), (741, 2940), (780, 2793), (798, 2730), (819, 2660), (855, 2548), (882, 2470), (910, 2394), (931, 2340), (980, 2223), (988, 2205), (1092, 1995), (1140, 1911), (1170, 1862), (1197, 1820), (1235, 1764), (1260, 1729), (1274, 1710), (1330, 1638), (1365, 1596), (1470, 1482)]