155109780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:758

約数の個数: 144

約数和(自身を含む): 540933120

約数和(自身を除く): 385823340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 257, 315, 420, 479, 514, 630, 771, 958, 1028, 1260, 1285, 1437, 1542, 1799, 1916, 2313, 2395, 2570, 2874, 3084, 3353, 3598, 3855, 4311, 4626, 4790, 5140, 5397, 5748, 6706, 7185, 7196, 7710, 8622, 8995, 9252, 9580, 10059, 10794, 11565, 13412, 14370, 15420, 16191, 16765, 17244, 17990, 20118, 21555, 21588, 23130, 26985, 28740, 30177, 32382, 33530, 35980, 40236, 43110, 46260, 50295, 53970, 60354, 64764, 67060, 80955, 86220, 100590, 107940, 120708, 123103, 150885, 161910, 201180, 246206, 301770, 323820, 369309, 492412, 603540, 615515, 738618, 861721, 1107927, 1231030, 1477236, 1723442, 1846545, 2215854, 2462060, 2585163, 3446884, 3693090, 4308605, 4431708, 5170326, 5539635, 7386180, 7755489, 8617210, 10340652, 11079270, 12925815, 15510978, 17234420, 22158540, 25851630, 31021956, 38777445, 51703260, 77554890, 155109780]

約数ペア:

[(1, 155109780), (2, 77554890), (3, 51703260), (4, 38777445), (5, 31021956), (6, 25851630), (7, 22158540), (9, 17234420), (10, 15510978), (12, 12925815), (14, 11079270), (15, 10340652), (18, 8617210), (20, 7755489), (21, 7386180), (28, 5539635), (30, 5170326), (35, 4431708), (36, 4308605), (42, 3693090), (45, 3446884), (60, 2585163), (63, 2462060), (70, 2215854), (84, 1846545), (90, 1723442), (105, 1477236), (126, 1231030), (140, 1107927), (180, 861721), (210, 738618), (252, 615515), (257, 603540), (315, 492412), (420, 369309), (479, 323820), (514, 301770), (630, 246206), (771, 201180), (958, 161910), (1028, 150885), (1260, 123103), (1285, 120708), (1437, 107940), (1542, 100590), (1799, 86220), (1916, 80955), (2313, 67060), (2395, 64764), (2570, 60354), (2874, 53970), (3084, 50295), (3353, 46260), (3598, 43110), (3855, 40236), (4311, 35980), (4626, 33530), (4790, 32382), (5140, 30177), (5397, 28740), (5748, 26985), (6706, 23130), (7185, 21588), (7196, 21555), (7710, 20118), (8622, 17990), (8995, 17244), (9252, 16765), (9580, 16191), (10059, 15420), (10794, 14370), (11565, 13412)]