720155856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{21221}}^1$

素因数の和:21340

約数の個数: 80

約数和(自身を含む): 2147326848

約数和(自身を除く): 1427170992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 101, 112, 168, 202, 303, 336, 404, 606, 707, 808, 1212, 1414, 1616, 2121, 2424, 2828, 4242, 4848, 5656, 8484, 11312, 16968, 21221, 33936, 42442, 63663, 84884, 127326, 148547, 169768, 254652, 297094, 339536, 445641, 509304, 594188, 891282, 1018608, 1188376, 1782564, 2143321, 2376752, 3565128, 4286642, 6429963, 7130256, 8573284, 12859926, 15003247, 17146568, 25719852, 30006494, 34293136, 45009741, 51439704, 60012988, 90019482, 102879408, 120025976, 180038964, 240051952, 360077928, 720155856]

約数ペア:

[(1, 720155856), (2, 360077928), (3, 240051952), (4, 180038964), (6, 120025976), (7, 102879408), (8, 90019482), (12, 60012988), (14, 51439704), (16, 45009741), (21, 34293136), (24, 30006494), (28, 25719852), (42, 17146568), (48, 15003247), (56, 12859926), (84, 8573284), (101, 7130256), (112, 6429963), (168, 4286642), (202, 3565128), (303, 2376752), (336, 2143321), (404, 1782564), (606, 1188376), (707, 1018608), (808, 891282), (1212, 594188), (1414, 509304), (1616, 445641), (2121, 339536), (2424, 297094), (2828, 254652), (4242, 169768), (4848, 148547), (5656, 127326), (8484, 84884), (11312, 63663), (16968, 42442), (21221, 33936)]