1520554420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:534

約数の個数: 192

約数和(自身を含む): 4230051840

約数和(自身を除く): 2709497420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 157, 190, 209, 220, 266, 308, 314, 331, 380, 385, 418, 532, 628, 662, 665, 770, 785, 836, 1045, 1099, 1324, 1330, 1463, 1540, 1570, 1655, 1727, 2090, 2198, 2317, 2660, 2926, 2983, 3140, 3310, 3454, 3641, 4180, 4396, 4634, 5495, 5852, 5966, 6289, 6620, 6908, 7282, 7315, 8635, 9268, 10990, 11585, 11932, 12089, 12578, 14564, 14630, 14915, 17270, 18205, 20881, 21980, 23170, 24178, 25156, 25487, 29260, 29830, 31445, 32813, 34540, 36410, 41762, 44023, 46340, 48356, 50974, 51967, 59660, 60445, 62890, 65626, 69179, 72820, 83524, 88046, 101948, 103934, 104405, 120890, 125780, 127435, 131252, 138358, 164065, 176092, 207868, 208810, 220115, 229691, 241780, 254870, 259835, 276716, 328130, 345895, 363769, 417620, 440230, 459382, 484253, 509740, 519670, 571637, 656260, 691790, 727538, 880460, 918764, 968506, 987373, 1039340, 1143274, 1148455, 1383580, 1455076, 1818845, 1937012, 1974746, 2286548, 2296910, 2421265, 2858185, 3637690, 3949492, 4001459, 4593820, 4842530, 4936865, 5716370, 6911611, 7275380, 8002918, 9685060, 9873730, 10861103, 11432740, 13823222, 16005836, 19747460, 20007295, 21722206, 27646444, 34558055, 40014590, 43444412, 54305515, 69116110, 76027721, 80029180, 108611030, 138232220, 152055442, 217222060, 304110884, 380138605, 760277210, 1520554420]

約数ペア:

[(1, 1520554420), (2, 760277210), (4, 380138605), (5, 304110884), (7, 217222060), (10, 152055442), (11, 138232220), (14, 108611030), (19, 80029180), (20, 76027721), (22, 69116110), (28, 54305515), (35, 43444412), (38, 40014590), (44, 34558055), (55, 27646444), (70, 21722206), (76, 20007295), (77, 19747460), (95, 16005836), (110, 13823222), (133, 11432740), (140, 10861103), (154, 9873730), (157, 9685060), (190, 8002918), (209, 7275380), (220, 6911611), (266, 5716370), (308, 4936865), (314, 4842530), (331, 4593820), (380, 4001459), (385, 3949492), (418, 3637690), (532, 2858185), (628, 2421265), (662, 2296910), (665, 2286548), (770, 1974746), (785, 1937012), (836, 1818845), (1045, 1455076), (1099, 1383580), (1324, 1148455), (1330, 1143274), (1463, 1039340), (1540, 987373), (1570, 968506), (1655, 918764), (1727, 880460), (2090, 727538), (2198, 691790), (2317, 656260), (2660, 571637), (2926, 519670), (2983, 509740), (3140, 484253), (3310, 459382), (3454, 440230), (3641, 417620), (4180, 363769), (4396, 345895), (4634, 328130), (5495, 276716), (5852, 259835), (5966, 254870), (6289, 241780), (6620, 229691), (6908, 220115), (7282, 208810), (7315, 207868), (8635, 176092), (9268, 164065), (10990, 138358), (11585, 131252), (11932, 127435), (12089, 125780), (12578, 120890), (14564, 104405), (14630, 103934), (14915, 101948), (17270, 88046), (18205, 83524), (20881, 72820), (21980, 69179), (23170, 65626), (24178, 62890), (25156, 60445), (25487, 59660), (29260, 51967), (29830, 50974), (31445, 48356), (32813, 46340), (34540, 44023), (36410, 41762)]