261154908

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:897

約数の個数: 144

約数和(自身を含む): 801511200

約数和(自身を除く): 540356292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 61, 63, 84, 98, 108, 122, 126, 147, 183, 189, 196, 244, 252, 294, 366, 378, 427, 441, 549, 588, 732, 756, 809, 854, 882, 1098, 1281, 1323, 1618, 1647, 1708, 1764, 2196, 2427, 2562, 2646, 2989, 3236, 3294, 3843, 4854, 5124, 5292, 5663, 5978, 6588, 7281, 7686, 8967, 9708, 11326, 11529, 11956, 14562, 15372, 16989, 17934, 21843, 22652, 23058, 26901, 29124, 33978, 35868, 39641, 43686, 46116, 49349, 50967, 53802, 67956, 79282, 80703, 87372, 98698, 101934, 107604, 118923, 148047, 152901, 158564, 161406, 197396, 203868, 237846, 296094, 305802, 322812, 345443, 356769, 444141, 475692, 592188, 611604, 690886, 713538, 888282, 1036329, 1070307, 1332423, 1381772, 1427076, 1776564, 2072658, 2140614, 2418101, 2664846, 3108987, 4145316, 4281228, 4836202, 5329692, 6217974, 7254303, 9326961, 9672404, 12435948, 14508606, 18653922, 21762909, 29017212, 37307844, 43525818, 65288727, 87051636, 130577454, 261154908]

約数ペア:

[(1, 261154908), (2, 130577454), (3, 87051636), (4, 65288727), (6, 43525818), (7, 37307844), (9, 29017212), (12, 21762909), (14, 18653922), (18, 14508606), (21, 12435948), (27, 9672404), (28, 9326961), (36, 7254303), (42, 6217974), (49, 5329692), (54, 4836202), (61, 4281228), (63, 4145316), (84, 3108987), (98, 2664846), (108, 2418101), (122, 2140614), (126, 2072658), (147, 1776564), (183, 1427076), (189, 1381772), (196, 1332423), (244, 1070307), (252, 1036329), (294, 888282), (366, 713538), (378, 690886), (427, 611604), (441, 592188), (549, 475692), (588, 444141), (732, 356769), (756, 345443), (809, 322812), (854, 305802), (882, 296094), (1098, 237846), (1281, 203868), (1323, 197396), (1618, 161406), (1647, 158564), (1708, 152901), (1764, 148047), (2196, 118923), (2427, 107604), (2562, 101934), (2646, 98698), (2989, 87372), (3236, 80703), (3294, 79282), (3843, 67956), (4854, 53802), (5124, 50967), (5292, 49349), (5663, 46116), (5978, 43686), (6588, 39641), (7281, 35868), (7686, 33978), (8967, 29124), (9708, 26901), (11326, 23058), (11529, 22652), (11956, 21843), (14562, 17934), (15372, 16989)]