2040247020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:848

約数の個数: 192

約数和(自身を含む): 6773760000

約数和(自身を除く): 4733512980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 349, 372, 420, 434, 449, 465, 620, 651, 698, 868, 898, 930, 1047, 1085, 1302, 1347, 1396, 1745, 1796, 1860, 2094, 2170, 2245, 2443, 2604, 2694, 3143, 3255, 3490, 4188, 4340, 4490, 4886, 5235, 5388, 6286, 6510, 6735, 6980, 7329, 8980, 9429, 9772, 10470, 10819, 12215, 12572, 13020, 13470, 13919, 14658, 15715, 18858, 20940, 21638, 24430, 26940, 27838, 29316, 31430, 32457, 36645, 37716, 41757, 43276, 47145, 48860, 54095, 55676, 62860, 64914, 69595, 73290, 75733, 83514, 94290, 97433, 108190, 129828, 139190, 146580, 151466, 156701, 162285, 167028, 188580, 194866, 208785, 216380, 227199, 278380, 292299, 302932, 313402, 324570, 378665, 389732, 417570, 454398, 470103, 487165, 584598, 626804, 649140, 757330, 783505, 835140, 908796, 940206, 974330, 1096907, 1135995, 1169196, 1461495, 1514660, 1567010, 1880412, 1948660, 2193814, 2271990, 2350515, 2922990, 3134020, 3290721, 4387628, 4543980, 4701030, 4857731, 5484535, 5845980, 6581442, 9402060, 9715462, 10969070, 13162884, 14573193, 16453605, 19430924, 21938140, 24288655, 29146386, 32907210, 34004117, 48577310, 58292772, 65814420, 68008234, 72865965, 97154620, 102012351, 136016468, 145731930, 170020585, 204024702, 291463860, 340041170, 408049404, 510061755, 680082340, 1020123510, 2040247020]

約数ペア:

[(1, 2040247020), (2, 1020123510), (3, 680082340), (4, 510061755), (5, 408049404), (6, 340041170), (7, 291463860), (10, 204024702), (12, 170020585), (14, 145731930), (15, 136016468), (20, 102012351), (21, 97154620), (28, 72865965), (30, 68008234), (31, 65814420), (35, 58292772), (42, 48577310), (60, 34004117), (62, 32907210), (70, 29146386), (84, 24288655), (93, 21938140), (105, 19430924), (124, 16453605), (140, 14573193), (155, 13162884), (186, 10969070), (210, 9715462), (217, 9402060), (310, 6581442), (349, 5845980), (372, 5484535), (420, 4857731), (434, 4701030), (449, 4543980), (465, 4387628), (620, 3290721), (651, 3134020), (698, 2922990), (868, 2350515), (898, 2271990), (930, 2193814), (1047, 1948660), (1085, 1880412), (1302, 1567010), (1347, 1514660), (1396, 1461495), (1745, 1169196), (1796, 1135995), (1860, 1096907), (2094, 974330), (2170, 940206), (2245, 908796), (2443, 835140), (2604, 783505), (2694, 757330), (3143, 649140), (3255, 626804), (3490, 584598), (4188, 487165), (4340, 470103), (4490, 454398), (4886, 417570), (5235, 389732), (5388, 378665), (6286, 324570), (6510, 313402), (6735, 302932), (6980, 292299), (7329, 278380), (8980, 227199), (9429, 216380), (9772, 208785), (10470, 194866), (10819, 188580), (12215, 167028), (12572, 162285), (13020, 156701), (13470, 151466), (13919, 146580), (14658, 139190), (15715, 129828), (18858, 108190), (20940, 97433), (21638, 94290), (24430, 83514), (26940, 75733), (27838, 73290), (29316, 69595), (31430, 64914), (32457, 62860), (36645, 55676), (37716, 54095), (41757, 48860), (43276, 47145)]