1289475540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 3983511168

約数和(自身を除く): 2694035628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 157, 180, 206, 309, 314, 412, 443, 471, 515, 618, 628, 785, 886, 927, 942, 1030, 1236, 1329, 1413, 1545, 1570, 1772, 1854, 1884, 2060, 2215, 2355, 2658, 2826, 3090, 3140, 3708, 3987, 4430, 4635, 4710, 5316, 5652, 6180, 6645, 7065, 7974, 8860, 9270, 9420, 13290, 14130, 15948, 16171, 18540, 19935, 26580, 28260, 32342, 39870, 45629, 48513, 64684, 69551, 79740, 80855, 91258, 97026, 136887, 139102, 145539, 161710, 182516, 194052, 208653, 228145, 242565, 273774, 278204, 291078, 323420, 347755, 410661, 417306, 456290, 485130, 547548, 582156, 625959, 684435, 695510, 727695, 821322, 834612, 912580, 970260, 1043265, 1251918, 1368870, 1391020, 1455390, 1642644, 2053305, 2086530, 2503836, 2737740, 2910780, 3129795, 4106610, 4173060, 6259590, 7163753, 8213220, 12519180, 14327506, 21491259, 28655012, 35818765, 42982518, 64473777, 71637530, 85965036, 107456295, 128947554, 143275060, 214912590, 257895108, 322368885, 429825180, 644737770, 1289475540]

約数ペア:

[(1, 1289475540), (2, 644737770), (3, 429825180), (4, 322368885), (5, 257895108), (6, 214912590), (9, 143275060), (10, 128947554), (12, 107456295), (15, 85965036), (18, 71637530), (20, 64473777), (30, 42982518), (36, 35818765), (45, 28655012), (60, 21491259), (90, 14327506), (103, 12519180), (157, 8213220), (180, 7163753), (206, 6259590), (309, 4173060), (314, 4106610), (412, 3129795), (443, 2910780), (471, 2737740), (515, 2503836), (618, 2086530), (628, 2053305), (785, 1642644), (886, 1455390), (927, 1391020), (942, 1368870), (1030, 1251918), (1236, 1043265), (1329, 970260), (1413, 912580), (1545, 834612), (1570, 821322), (1772, 727695), (1854, 695510), (1884, 684435), (2060, 625959), (2215, 582156), (2355, 547548), (2658, 485130), (2826, 456290), (3090, 417306), (3140, 410661), (3708, 347755), (3987, 323420), (4430, 291078), (4635, 278204), (4710, 273774), (5316, 242565), (5652, 228145), (6180, 208653), (6645, 194052), (7065, 182516), (7974, 161710), (8860, 145539), (9270, 139102), (9420, 136887), (13290, 97026), (14130, 91258), (15948, 80855), (16171, 79740), (18540, 69551), (19935, 64684), (26580, 48513), (28260, 45629), (32342, 39870)]