287960790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 795795840

約数和(自身を除く): 507835050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 169, 170, 195, 221, 255, 257, 338, 390, 442, 507, 510, 514, 663, 771, 845, 1014, 1105, 1285, 1326, 1542, 1690, 2197, 2210, 2535, 2570, 2873, 3315, 3341, 3855, 4369, 4394, 5070, 5746, 6591, 6630, 6682, 7710, 8619, 8738, 10023, 10985, 13107, 13182, 14365, 16705, 17238, 20046, 21845, 21970, 26214, 28730, 32955, 33410, 37349, 43095, 43433, 43690, 50115, 56797, 65535, 65910, 74698, 86190, 86866, 100230, 112047, 113594, 130299, 131070, 170391, 186745, 217165, 224094, 260598, 283985, 340782, 373490, 434330, 560235, 564629, 567970, 651495, 738361, 851955, 1120470, 1129258, 1302990, 1476722, 1693887, 1703910, 2215083, 2823145, 3387774, 3691805, 4430166, 5646290, 7383610, 8469435, 9598693, 11075415, 16938870, 19197386, 22150830, 28796079, 47993465, 57592158, 95986930, 143980395, 287960790]

約数ペア:

[(1, 287960790), (2, 143980395), (3, 95986930), (5, 57592158), (6, 47993465), (10, 28796079), (13, 22150830), (15, 19197386), (17, 16938870), (26, 11075415), (30, 9598693), (34, 8469435), (39, 7383610), (51, 5646290), (65, 4430166), (78, 3691805), (85, 3387774), (102, 2823145), (130, 2215083), (169, 1703910), (170, 1693887), (195, 1476722), (221, 1302990), (255, 1129258), (257, 1120470), (338, 851955), (390, 738361), (442, 651495), (507, 567970), (510, 564629), (514, 560235), (663, 434330), (771, 373490), (845, 340782), (1014, 283985), (1105, 260598), (1285, 224094), (1326, 217165), (1542, 186745), (1690, 170391), (2197, 131070), (2210, 130299), (2535, 113594), (2570, 112047), (2873, 100230), (3315, 86866), (3341, 86190), (3855, 74698), (4369, 65910), (4394, 65535), (5070, 56797), (5746, 50115), (6591, 43690), (6630, 43433), (6682, 43095), (7710, 37349), (8619, 33410), (8738, 32955), (10023, 28730), (10985, 26214), (13107, 21970), (13182, 21845), (14365, 20046), (16705, 17238)]