328888980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^4\times {\mathrm{761}}^1$

素因数の和:804

約数の個数: 180

約数和(自身を含む): 1165361652

約数和(自身を除く): 836472672

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 761, 882, 980, 1029, 1260, 1372, 1470, 1522, 1715, 1764, 2058, 2205, 2283, 2401, 2940, 3044, 3087, 3430, 3805, 4116, 4410, 4566, 4802, 5145, 5327, 6174, 6849, 6860, 7203, 7610, 8820, 9132, 9604, 10290, 10654, 11415, 12005, 12348, 13698, 14406, 15220, 15435, 15981, 20580, 21308, 21609, 22830, 24010, 26635, 27396, 28812, 30870, 31962, 34245, 36015, 37289, 43218, 45660, 47943, 48020, 53270, 61740, 63924, 68490, 72030, 74578, 79905, 86436, 95886, 106540, 108045, 111867, 136980, 144060, 149156, 159810, 186445, 191772, 216090, 223734, 239715, 261023, 319620, 335601, 372890, 432180, 447468, 479430, 522046, 559335, 671202, 745780, 783069, 958860, 1044092, 1118670, 1305115, 1342404, 1566138, 1678005, 1827161, 2237340, 2349207, 2610230, 3132276, 3356010, 3654322, 3915345, 4698414, 5220460, 5481483, 6712020, 7308644, 7830690, 9135805, 9396828, 10962966, 11746035, 15661380, 16444449, 18271610, 21925932, 23492070, 27407415, 32888898, 36543220, 46984140, 54814830, 65777796, 82222245, 109629660, 164444490, 328888980]

約数ペア:

[(1, 328888980), (2, 164444490), (3, 109629660), (4, 82222245), (5, 65777796), (6, 54814830), (7, 46984140), (9, 36543220), (10, 32888898), (12, 27407415), (14, 23492070), (15, 21925932), (18, 18271610), (20, 16444449), (21, 15661380), (28, 11746035), (30, 10962966), (35, 9396828), (36, 9135805), (42, 7830690), (45, 7308644), (49, 6712020), (60, 5481483), (63, 5220460), (70, 4698414), (84, 3915345), (90, 3654322), (98, 3356010), (105, 3132276), (126, 2610230), (140, 2349207), (147, 2237340), (180, 1827161), (196, 1678005), (210, 1566138), (245, 1342404), (252, 1305115), (294, 1118670), (315, 1044092), (343, 958860), (420, 783069), (441, 745780), (490, 671202), (588, 559335), (630, 522046), (686, 479430), (735, 447468), (761, 432180), (882, 372890), (980, 335601), (1029, 319620), (1260, 261023), (1372, 239715), (1470, 223734), (1522, 216090), (1715, 191772), (1764, 186445), (2058, 159810), (2205, 149156), (2283, 144060), (2401, 136980), (2940, 111867), (3044, 108045), (3087, 106540), (3430, 95886), (3805, 86436), (4116, 79905), (4410, 74578), (4566, 72030), (4802, 68490), (5145, 63924), (5327, 61740), (6174, 53270), (6849, 48020), (6860, 47943), (7203, 45660), (7610, 43218), (8820, 37289), (9132, 36015), (9604, 34245), (10290, 31962), (10654, 30870), (11415, 28812), (12005, 27396), (12348, 26635), (13698, 24010), (14406, 22830), (15220, 21609), (15435, 21308), (15981, 20580)]