1851567660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1151}}^1$

素因数の和:1506

約数の個数: 144

約数和(自身を含む): 5847109632

約数和(自身を除く): 3995541972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 331, 405, 486, 540, 662, 810, 972, 993, 1151, 1215, 1324, 1620, 1655, 1986, 2302, 2430, 2979, 3310, 3453, 3972, 4604, 4860, 4965, 5755, 5958, 6620, 6906, 8937, 9930, 10359, 11510, 11916, 13812, 14895, 17265, 17874, 19860, 20718, 23020, 26811, 29790, 31077, 34530, 35748, 41436, 44685, 51795, 53622, 59580, 62154, 69060, 80433, 89370, 93231, 103590, 107244, 124308, 134055, 155385, 160866, 178740, 186462, 207180, 268110, 279693, 310770, 321732, 372924, 380981, 402165, 466155, 536220, 559386, 621540, 761962, 804330, 932310, 1118772, 1142943, 1398465, 1523924, 1608660, 1864620, 1904905, 2285886, 2796930, 3428829, 3809810, 4571772, 5593860, 5714715, 6857658, 7619620, 10286487, 11429430, 13715316, 17144145, 20572974, 22858860, 30859461, 34288290, 41145948, 51432435, 61718922, 68576580, 92578383, 102864870, 123437844, 154297305, 185156766, 205729740, 308594610, 370313532, 462891915, 617189220, 925783830, 1851567660]

約数ペア:

[(1, 1851567660), (2, 925783830), (3, 617189220), (4, 462891915), (5, 370313532), (6, 308594610), (9, 205729740), (10, 185156766), (12, 154297305), (15, 123437844), (18, 102864870), (20, 92578383), (27, 68576580), (30, 61718922), (36, 51432435), (45, 41145948), (54, 34288290), (60, 30859461), (81, 22858860), (90, 20572974), (108, 17144145), (135, 13715316), (162, 11429430), (180, 10286487), (243, 7619620), (270, 6857658), (324, 5714715), (331, 5593860), (405, 4571772), (486, 3809810), (540, 3428829), (662, 2796930), (810, 2285886), (972, 1904905), (993, 1864620), (1151, 1608660), (1215, 1523924), (1324, 1398465), (1620, 1142943), (1655, 1118772), (1986, 932310), (2302, 804330), (2430, 761962), (2979, 621540), (3310, 559386), (3453, 536220), (3972, 466155), (4604, 402165), (4860, 380981), (4965, 372924), (5755, 321732), (5958, 310770), (6620, 279693), (6906, 268110), (8937, 207180), (9930, 186462), (10359, 178740), (11510, 160866), (11916, 155385), (13812, 134055), (14895, 124308), (17265, 107244), (17874, 103590), (19860, 93231), (20718, 89370), (23020, 80433), (26811, 69060), (29790, 62154), (31077, 59580), (34530, 53622), (35748, 51795), (41436, 44685)]