287849640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4987}}^1$

素因数の和:5051

約数の個数: 128

約数和(自身を含む): 955301760

約数和(自身を除く): 667452120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4440, 4810, 4987, 5772, 7215, 9620, 9974, 11544, 14430, 14961, 19240, 19948, 24935, 28860, 29922, 39896, 49870, 57720, 59844, 64831, 74805, 99740, 119688, 129662, 149610, 184519, 194493, 199480, 259324, 299220, 324155, 369038, 388986, 518648, 553557, 598440, 648310, 738076, 777972, 922595, 972465, 1107114, 1296620, 1476152, 1555944, 1845190, 1944930, 2214228, 2398747, 2593240, 2767785, 3690380, 3889860, 4428456, 4797494, 5535570, 7196241, 7380760, 7779720, 9594988, 11071140, 11993735, 14392482, 19189976, 22142280, 23987470, 28784964, 35981205, 47974940, 57569928, 71962410, 95949880, 143924820, 287849640]

約数ペア:

[(1, 287849640), (2, 143924820), (3, 95949880), (4, 71962410), (5, 57569928), (6, 47974940), (8, 35981205), (10, 28784964), (12, 23987470), (13, 22142280), (15, 19189976), (20, 14392482), (24, 11993735), (26, 11071140), (30, 9594988), (37, 7779720), (39, 7380760), (40, 7196241), (52, 5535570), (60, 4797494), (65, 4428456), (74, 3889860), (78, 3690380), (104, 2767785), (111, 2593240), (120, 2398747), (130, 2214228), (148, 1944930), (156, 1845190), (185, 1555944), (195, 1476152), (222, 1296620), (260, 1107114), (296, 972465), (312, 922595), (370, 777972), (390, 738076), (444, 648310), (481, 598440), (520, 553557), (555, 518648), (740, 388986), (780, 369038), (888, 324155), (962, 299220), (1110, 259324), (1443, 199480), (1480, 194493), (1560, 184519), (1924, 149610), (2220, 129662), (2405, 119688), (2886, 99740), (3848, 74805), (4440, 64831), (4810, 59844), (4987, 57720), (5772, 49870), (7215, 39896), (9620, 29922), (9974, 28860), (11544, 24935), (14430, 19948), (14961, 19240)]