19995777720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{804983}}^1$

素因数の和:805026

約数の個数: 128

約数和(自身を含む): 69550617600

約数和(自身を除く): 49554839880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 6210, 8280, 12420, 24840, 804983, 1609966, 2414949, 3219932, 4024915, 4829898, 6439864, 7244847, 8049830, 9659796, 12074745, 14489694, 16099660, 18514609, 19319592, 21734541, 24149490, 28979388, 32199320, 36224235, 37029218, 43469082, 48298980, 55543827, 57958776, 72448470, 74058436, 86938164, 92573045, 96597960, 108672705, 111087654, 144896940, 148116872, 166631481, 173876328, 185146090, 217345410, 222175308, 277719135, 289793880, 333262962, 370292180, 434690820, 444350616, 499894443, 555438270, 666525924, 740584360, 833157405, 869381640, 999788886, 1110876540, 1333051848, 1666314810, 1999577772, 2221753080, 2499472215, 3332629620, 3999155544, 4998944430, 6665259240, 9997888860, 19995777720]

約数ペア:

[(1, 19995777720), (2, 9997888860), (3, 6665259240), (4, 4998944430), (5, 3999155544), (6, 3332629620), (8, 2499472215), (9, 2221753080), (10, 1999577772), (12, 1666314810), (15, 1333051848), (18, 1110876540), (20, 999788886), (23, 869381640), (24, 833157405), (27, 740584360), (30, 666525924), (36, 555438270), (40, 499894443), (45, 444350616), (46, 434690820), (54, 370292180), (60, 333262962), (69, 289793880), (72, 277719135), (90, 222175308), (92, 217345410), (108, 185146090), (115, 173876328), (120, 166631481), (135, 148116872), (138, 144896940), (180, 111087654), (184, 108672705), (207, 96597960), (216, 92573045), (230, 86938164), (270, 74058436), (276, 72448470), (345, 57958776), (360, 55543827), (414, 48298980), (460, 43469082), (540, 37029218), (552, 36224235), (621, 32199320), (690, 28979388), (828, 24149490), (920, 21734541), (1035, 19319592), (1080, 18514609), (1242, 16099660), (1380, 14489694), (1656, 12074745), (2070, 9659796), (2484, 8049830), (2760, 7244847), (3105, 6439864), (4140, 4829898), (4968, 4024915), (6210, 3219932), (8280, 2414949), (12420, 1609966), (24840, 804983)]