80984820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 192

約数和(自身を含む): 274982400

約数和(自身を除く): 193997580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 61, 70, 84, 87, 105, 109, 116, 122, 140, 145, 174, 183, 203, 210, 218, 244, 290, 305, 327, 348, 366, 406, 420, 427, 435, 436, 545, 580, 609, 610, 654, 732, 763, 812, 854, 870, 915, 1015, 1090, 1218, 1220, 1281, 1308, 1526, 1635, 1708, 1740, 1769, 1830, 2030, 2135, 2180, 2289, 2436, 2562, 3045, 3052, 3161, 3270, 3538, 3660, 3815, 4060, 4270, 4578, 5124, 5307, 6090, 6322, 6405, 6540, 6649, 7076, 7630, 8540, 8845, 9156, 9483, 10614, 11445, 12180, 12383, 12644, 12810, 13298, 15260, 15805, 17690, 18966, 19947, 21228, 22127, 22890, 24766, 25620, 26535, 26596, 31610, 33245, 35380, 37149, 37932, 39894, 44254, 45780, 46543, 47415, 49532, 53070, 61915, 63220, 66381, 66490, 74298, 79788, 88508, 93086, 94830, 99735, 106140, 110635, 123830, 132762, 132980, 139629, 148596, 185745, 186172, 189660, 192821, 199470, 221270, 232715, 247660, 265524, 279258, 331905, 371490, 385642, 398940, 442540, 465430, 558516, 578463, 663810, 698145, 742980, 771284, 930860, 964105, 1156926, 1327620, 1349747, 1396290, 1928210, 2313852, 2699494, 2792580, 2892315, 3856420, 4049241, 5398988, 5784630, 6748735, 8098482, 11569260, 13497470, 16196964, 20246205, 26994940, 40492410, 80984820]

約数ペア:

[(1, 80984820), (2, 40492410), (3, 26994940), (4, 20246205), (5, 16196964), (6, 13497470), (7, 11569260), (10, 8098482), (12, 6748735), (14, 5784630), (15, 5398988), (20, 4049241), (21, 3856420), (28, 2892315), (29, 2792580), (30, 2699494), (35, 2313852), (42, 1928210), (58, 1396290), (60, 1349747), (61, 1327620), (70, 1156926), (84, 964105), (87, 930860), (105, 771284), (109, 742980), (116, 698145), (122, 663810), (140, 578463), (145, 558516), (174, 465430), (183, 442540), (203, 398940), (210, 385642), (218, 371490), (244, 331905), (290, 279258), (305, 265524), (327, 247660), (348, 232715), (366, 221270), (406, 199470), (420, 192821), (427, 189660), (435, 186172), (436, 185745), (545, 148596), (580, 139629), (609, 132980), (610, 132762), (654, 123830), (732, 110635), (763, 106140), (812, 99735), (854, 94830), (870, 93086), (915, 88508), (1015, 79788), (1090, 74298), (1218, 66490), (1220, 66381), (1281, 63220), (1308, 61915), (1526, 53070), (1635, 49532), (1708, 47415), (1740, 46543), (1769, 45780), (1830, 44254), (2030, 39894), (2135, 37932), (2180, 37149), (2289, 35380), (2436, 33245), (2562, 31610), (3045, 26596), (3052, 26535), (3161, 25620), (3270, 24766), (3538, 22890), (3660, 22127), (3815, 21228), (4060, 19947), (4270, 18966), (4578, 17690), (5124, 15805), (5307, 15260), (6090, 13298), (6322, 12810), (6405, 12644), (6540, 12383), (6649, 12180), (7076, 11445), (7630, 10614), (8540, 9483), (8845, 9156)]