213071320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 635846400

約数和(自身を除く): 422775080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 121, 133, 140, 152, 154, 190, 209, 220, 242, 266, 280, 308, 331, 380, 385, 418, 440, 484, 532, 605, 616, 662, 665, 760, 770, 836, 847, 968, 1045, 1064, 1210, 1324, 1330, 1463, 1540, 1655, 1672, 1694, 2090, 2299, 2317, 2420, 2648, 2660, 2926, 3080, 3310, 3388, 3641, 4180, 4235, 4598, 4634, 4840, 5320, 5852, 6289, 6620, 6776, 7282, 7315, 8360, 8470, 9196, 9268, 11495, 11585, 11704, 12578, 13240, 14564, 14630, 16093, 16940, 18205, 18392, 18536, 22990, 23170, 25156, 25487, 29128, 29260, 31445, 32186, 33880, 36410, 40051, 44023, 45980, 46340, 50312, 50974, 58520, 62890, 64372, 69179, 72820, 80102, 80465, 88046, 91960, 92680, 101948, 125780, 127435, 128744, 138358, 145640, 160204, 160930, 176092, 200255, 203896, 220115, 251560, 254870, 276716, 280357, 320408, 321860, 345895, 352184, 400510, 440230, 484253, 509740, 553432, 560714, 643720, 691790, 760969, 801020, 880460, 968506, 1019480, 1121428, 1383580, 1401785, 1521938, 1602040, 1760920, 1937012, 2242856, 2421265, 2767160, 2803570, 3043876, 3804845, 3874024, 4842530, 5326783, 5607140, 6087752, 7609690, 9685060, 10653566, 11214280, 15219380, 19370120, 21307132, 26633915, 30438760, 42614264, 53267830, 106535660, 213071320]

約数ペア:

[(1, 213071320), (2, 106535660), (4, 53267830), (5, 42614264), (7, 30438760), (8, 26633915), (10, 21307132), (11, 19370120), (14, 15219380), (19, 11214280), (20, 10653566), (22, 9685060), (28, 7609690), (35, 6087752), (38, 5607140), (40, 5326783), (44, 4842530), (55, 3874024), (56, 3804845), (70, 3043876), (76, 2803570), (77, 2767160), (88, 2421265), (95, 2242856), (110, 1937012), (121, 1760920), (133, 1602040), (140, 1521938), (152, 1401785), (154, 1383580), (190, 1121428), (209, 1019480), (220, 968506), (242, 880460), (266, 801020), (280, 760969), (308, 691790), (331, 643720), (380, 560714), (385, 553432), (418, 509740), (440, 484253), (484, 440230), (532, 400510), (605, 352184), (616, 345895), (662, 321860), (665, 320408), (760, 280357), (770, 276716), (836, 254870), (847, 251560), (968, 220115), (1045, 203896), (1064, 200255), (1210, 176092), (1324, 160930), (1330, 160204), (1463, 145640), (1540, 138358), (1655, 128744), (1672, 127435), (1694, 125780), (2090, 101948), (2299, 92680), (2317, 91960), (2420, 88046), (2648, 80465), (2660, 80102), (2926, 72820), (3080, 69179), (3310, 64372), (3388, 62890), (3641, 58520), (4180, 50974), (4235, 50312), (4598, 46340), (4634, 45980), (4840, 44023), (5320, 40051), (5852, 36410), (6289, 33880), (6620, 32186), (6776, 31445), (7282, 29260), (7315, 29128), (8360, 25487), (8470, 25156), (9196, 23170), (9268, 22990), (11495, 18536), (11585, 18392), (11704, 18205), (12578, 16940), (13240, 16093), (14564, 14630)]