1901797020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{7039}}^1$

素因数の和:7152

約数の個数: 144

約数和(自身を含む): 6150144000

約数和(自身を除く): 4248346980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 228, 237, 285, 316, 342, 380, 395, 474, 570, 684, 711, 790, 855, 948, 1140, 1185, 1422, 1501, 1580, 1710, 2370, 2844, 3002, 3420, 3555, 4503, 4740, 6004, 7039, 7110, 7505, 9006, 13509, 14078, 14220, 15010, 18012, 21117, 22515, 27018, 28156, 30020, 35195, 42234, 45030, 54036, 63351, 67545, 70390, 84468, 90060, 105585, 126702, 133741, 135090, 140780, 211170, 253404, 267482, 270180, 316755, 401223, 422340, 534964, 556081, 633510, 668705, 802446, 1112162, 1203669, 1267020, 1337410, 1604892, 1668243, 2006115, 2224324, 2407338, 2674820, 2780405, 3336486, 4012230, 4814676, 5004729, 5560810, 6018345, 6672972, 8024460, 8341215, 10009458, 10565539, 11121620, 12036690, 16682430, 20018916, 21131078, 24073380, 25023645, 31696617, 33364860, 42262156, 50047290, 52827695, 63393234, 95089851, 100094580, 105655390, 126786468, 158483085, 190179702, 211310780, 316966170, 380359404, 475449255, 633932340, 950898510, 1901797020]

約数ペア:

[(1, 1901797020), (2, 950898510), (3, 633932340), (4, 475449255), (5, 380359404), (6, 316966170), (9, 211310780), (10, 190179702), (12, 158483085), (15, 126786468), (18, 105655390), (19, 100094580), (20, 95089851), (30, 63393234), (36, 52827695), (38, 50047290), (45, 42262156), (57, 33364860), (60, 31696617), (76, 25023645), (79, 24073380), (90, 21131078), (95, 20018916), (114, 16682430), (158, 12036690), (171, 11121620), (180, 10565539), (190, 10009458), (228, 8341215), (237, 8024460), (285, 6672972), (316, 6018345), (342, 5560810), (380, 5004729), (395, 4814676), (474, 4012230), (570, 3336486), (684, 2780405), (711, 2674820), (790, 2407338), (855, 2224324), (948, 2006115), (1140, 1668243), (1185, 1604892), (1422, 1337410), (1501, 1267020), (1580, 1203669), (1710, 1112162), (2370, 802446), (2844, 668705), (3002, 633510), (3420, 556081), (3555, 534964), (4503, 422340), (4740, 401223), (6004, 316755), (7039, 270180), (7110, 267482), (7505, 253404), (9006, 211170), (13509, 140780), (14078, 135090), (14220, 133741), (15010, 126702), (18012, 105585), (21117, 90060), (22515, 84468), (27018, 70390), (28156, 67545), (30020, 63351), (35195, 54036), (42234, 45030)]