287659320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1901}}^1$

素因数の和:2025

約数の個数: 128

約数和(自身を含む): 939435840

約数和(自身を除く): 651776520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 97, 104, 120, 130, 156, 194, 195, 260, 291, 312, 388, 390, 485, 520, 582, 776, 780, 970, 1164, 1261, 1455, 1560, 1901, 1940, 2328, 2522, 2910, 3783, 3802, 3880, 5044, 5703, 5820, 6305, 7566, 7604, 9505, 10088, 11406, 11640, 12610, 15132, 15208, 18915, 19010, 22812, 24713, 25220, 28515, 30264, 37830, 38020, 45624, 49426, 50440, 57030, 74139, 75660, 76040, 98852, 114060, 123565, 148278, 151320, 184397, 197704, 228120, 247130, 296556, 368794, 370695, 494260, 553191, 593112, 737588, 741390, 921985, 988520, 1106382, 1475176, 1482780, 1843970, 2212764, 2397161, 2765955, 2965560, 3687940, 4425528, 4794322, 5531910, 7191483, 7375880, 9588644, 11063820, 11985805, 14382966, 19177288, 22127640, 23971610, 28765932, 35957415, 47943220, 57531864, 71914830, 95886440, 143829660, 287659320]

約数ペア:

[(1, 287659320), (2, 143829660), (3, 95886440), (4, 71914830), (5, 57531864), (6, 47943220), (8, 35957415), (10, 28765932), (12, 23971610), (13, 22127640), (15, 19177288), (20, 14382966), (24, 11985805), (26, 11063820), (30, 9588644), (39, 7375880), (40, 7191483), (52, 5531910), (60, 4794322), (65, 4425528), (78, 3687940), (97, 2965560), (104, 2765955), (120, 2397161), (130, 2212764), (156, 1843970), (194, 1482780), (195, 1475176), (260, 1106382), (291, 988520), (312, 921985), (388, 741390), (390, 737588), (485, 593112), (520, 553191), (582, 494260), (776, 370695), (780, 368794), (970, 296556), (1164, 247130), (1261, 228120), (1455, 197704), (1560, 184397), (1901, 151320), (1940, 148278), (2328, 123565), (2522, 114060), (2910, 98852), (3783, 76040), (3802, 75660), (3880, 74139), (5044, 57030), (5703, 50440), (5820, 49426), (6305, 45624), (7566, 38020), (7604, 37830), (9505, 30264), (10088, 28515), (11406, 25220), (11640, 24713), (12610, 22812), (15132, 19010), (15208, 18915)]