399849480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16097}}^1$

素因数の和:16140

約数の個数: 128

約数和(自身を含む): 1390867200

約数和(自身を除く): 991017720

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, 16097, 24840, 32194, 48291, 64388, 80485, 96582, 128776, 144873, 160970, 193164, 241455, 289746, 321940, 370231, 386328, 434619, 482910, 579492, 643880, 724365, 740462, 869238, 965820, 1110693, 1158984, 1448730, 1480924, 1738476, 1851155, 1931640, 2173095, 2221386, 2897460, 2961848, 3332079, 3476952, 3702310, 4346190, 4442772, 5553465, 5794920, 6664158, 7404620, 8692380, 8885544, 9996237, 11106930, 13328316, 14809240, 16660395, 17384760, 19992474, 22213860, 26656632, 33320790, 39984948, 44427720, 49981185, 66641580, 79969896, 99962370, 133283160, 199924740, 399849480]

約数ペア:

[(1, 399849480), (2, 199924740), (3, 133283160), (4, 99962370), (5, 79969896), (6, 66641580), (8, 49981185), (9, 44427720), (10, 39984948), (12, 33320790), (15, 26656632), (18, 22213860), (20, 19992474), (23, 17384760), (24, 16660395), (27, 14809240), (30, 13328316), (36, 11106930), (40, 9996237), (45, 8885544), (46, 8692380), (54, 7404620), (60, 6664158), (69, 5794920), (72, 5553465), (90, 4442772), (92, 4346190), (108, 3702310), (115, 3476952), (120, 3332079), (135, 2961848), (138, 2897460), (180, 2221386), (184, 2173095), (207, 1931640), (216, 1851155), (230, 1738476), (270, 1480924), (276, 1448730), (345, 1158984), (360, 1110693), (414, 965820), (460, 869238), (540, 740462), (552, 724365), (621, 643880), (690, 579492), (828, 482910), (920, 434619), (1035, 386328), (1080, 370231), (1242, 321940), (1380, 289746), (1656, 241455), (2070, 193164), (2484, 160970), (2760, 144873), (3105, 128776), (4140, 96582), (4968, 80485), (6210, 64388), (8280, 48291), (12420, 32194), (16097, 24840)]