260360320

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1254

約数の個数: 128

約数和(自身を含む): 701498880

約数和(自身を除く): 441138560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1193, 1240, 1364, 1408, 1705, 1760, 1984, 2386, 2480, 2728, 3410, 3520, 3968, 4772, 4960, 5456, 5965, 6820, 7040, 9544, 9920, 10912, 11930, 13123, 13640, 19088, 19840, 21824, 23860, 26246, 27280, 36983, 38176, 43648, 47720, 52492, 54560, 65615, 73966, 76352, 95440, 104984, 109120, 131230, 147932, 152704, 184915, 190880, 209968, 218240, 262460, 295864, 369830, 381760, 406813, 419936, 524920, 591728, 739660, 763520, 813626, 839872, 1049840, 1183456, 1479320, 1627252, 1679744, 2034065, 2099680, 2366912, 2958640, 3254504, 4068130, 4199360, 4733824, 5917280, 6509008, 8136260, 8398720, 11834560, 13018016, 16272520, 23669120, 26036032, 32545040, 52072064, 65090080, 130180160, 260360320]

約数ペア:

[(1, 260360320), (2, 130180160), (4, 65090080), (5, 52072064), (8, 32545040), (10, 26036032), (11, 23669120), (16, 16272520), (20, 13018016), (22, 11834560), (31, 8398720), (32, 8136260), (40, 6509008), (44, 5917280), (55, 4733824), (62, 4199360), (64, 4068130), (80, 3254504), (88, 2958640), (110, 2366912), (124, 2099680), (128, 2034065), (155, 1679744), (160, 1627252), (176, 1479320), (220, 1183456), (248, 1049840), (310, 839872), (320, 813626), (341, 763520), (352, 739660), (440, 591728), (496, 524920), (620, 419936), (640, 406813), (682, 381760), (704, 369830), (880, 295864), (992, 262460), (1193, 218240), (1240, 209968), (1364, 190880), (1408, 184915), (1705, 152704), (1760, 147932), (1984, 131230), (2386, 109120), (2480, 104984), (2728, 95440), (3410, 76352), (3520, 73966), (3968, 65615), (4772, 54560), (4960, 52492), (5456, 47720), (5965, 43648), (6820, 38176), (7040, 36983), (9544, 27280), (9920, 26246), (10912, 23860), (11930, 21824), (13123, 19840), (13640, 19088)]