157978380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1657}}^1$

素因数の和:1903

約数の個数: 96

約数和(自身を含む): 508064256

約数和(自身を除く): 350085876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 227, 420, 454, 681, 908, 1135, 1362, 1589, 1657, 2270, 2724, 3178, 3314, 3405, 4540, 4767, 4971, 6356, 6628, 6810, 7945, 8285, 9534, 9942, 11599, 13620, 15890, 16570, 19068, 19884, 23198, 23835, 24855, 31780, 33140, 34797, 46396, 47670, 49710, 57995, 69594, 95340, 99420, 115990, 139188, 173985, 231980, 347970, 376139, 695940, 752278, 1128417, 1504556, 1880695, 2256834, 2632973, 3761390, 4513668, 5265946, 5642085, 7522780, 7898919, 10531892, 11284170, 13164865, 15797838, 22568340, 26329730, 31595676, 39494595, 52659460, 78989190, 157978380]

約数ペア:

[(1, 157978380), (2, 78989190), (3, 52659460), (4, 39494595), (5, 31595676), (6, 26329730), (7, 22568340), (10, 15797838), (12, 13164865), (14, 11284170), (15, 10531892), (20, 7898919), (21, 7522780), (28, 5642085), (30, 5265946), (35, 4513668), (42, 3761390), (60, 2632973), (70, 2256834), (84, 1880695), (105, 1504556), (140, 1128417), (210, 752278), (227, 695940), (420, 376139), (454, 347970), (681, 231980), (908, 173985), (1135, 139188), (1362, 115990), (1589, 99420), (1657, 95340), (2270, 69594), (2724, 57995), (3178, 49710), (3314, 47670), (3405, 46396), (4540, 34797), (4767, 33140), (4971, 31780), (6356, 24855), (6628, 23835), (6810, 23198), (7945, 19884), (8285, 19068), (9534, 16570), (9942, 15890), (11599, 13620)]