720658968

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:777

約数の個数: 128

約数和(自身を含む): 1986405120

約数和(自身を除く): 1265746152

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 51, 67, 68, 82, 102, 123, 134, 136, 164, 201, 204, 246, 268, 328, 402, 408, 492, 536, 643, 697, 804, 984, 1139, 1286, 1394, 1608, 1929, 2091, 2278, 2572, 2747, 2788, 3417, 3858, 4182, 4556, 5144, 5494, 5576, 6834, 7716, 8241, 8364, 9112, 10931, 10988, 13668, 15432, 16482, 16728, 21862, 21976, 26363, 27336, 32793, 32964, 43081, 43724, 46699, 52726, 65586, 65928, 79089, 86162, 87448, 93398, 105452, 129243, 131172, 140097, 158178, 172324, 186796, 210904, 258486, 262344, 280194, 316356, 344648, 373592, 448171, 516972, 560388, 632712, 732377, 896342, 1033944, 1120776, 1344513, 1464754, 1766321, 1792684, 2197131, 2689026, 2929508, 3532642, 3585368, 4394262, 5298963, 5378052, 5859016, 7065284, 8788524, 10597926, 10756104, 14130568, 17577048, 21195852, 30027457, 42391704, 60054914, 90082371, 120109828, 180164742, 240219656, 360329484, 720658968]

約数ペア:

[(1, 720658968), (2, 360329484), (3, 240219656), (4, 180164742), (6, 120109828), (8, 90082371), (12, 60054914), (17, 42391704), (24, 30027457), (34, 21195852), (41, 17577048), (51, 14130568), (67, 10756104), (68, 10597926), (82, 8788524), (102, 7065284), (123, 5859016), (134, 5378052), (136, 5298963), (164, 4394262), (201, 3585368), (204, 3532642), (246, 2929508), (268, 2689026), (328, 2197131), (402, 1792684), (408, 1766321), (492, 1464754), (536, 1344513), (643, 1120776), (697, 1033944), (804, 896342), (984, 732377), (1139, 632712), (1286, 560388), (1394, 516972), (1608, 448171), (1929, 373592), (2091, 344648), (2278, 316356), (2572, 280194), (2747, 262344), (2788, 258486), (3417, 210904), (3858, 186796), (4182, 172324), (4556, 158178), (5144, 140097), (5494, 131172), (5576, 129243), (6834, 105452), (7716, 93398), (8241, 87448), (8364, 86162), (9112, 79089), (10931, 65928), (10988, 65586), (13668, 52726), (15432, 46699), (16482, 43724), (16728, 43081), (21862, 32964), (21976, 32793), (26363, 27336)]