131888640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1360

約数の個数: 160

約数和(自身を含む): 454408416

約数和(自身を除く): 322519776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1321, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 2642, 3120, 3328, 3840, 3963, 4160, 4992, 5284, 6240, 6605, 6656, 7680, 7926, 8320, 9984, 10568, 12480, 13210, 15852, 16640, 17173, 19815, 19968, 21136, 24960, 26420, 31704, 33280, 34346, 39630, 42272, 49920, 51519, 52840, 63408, 68692, 79260, 84544, 85865, 99840, 103038, 105680, 126816, 137384, 158520, 169088, 171730, 206076, 211360, 253632, 257595, 274768, 317040, 338176, 343460, 412152, 422720, 507264, 515190, 549536, 634080, 676352, 686920, 824304, 845440, 1014528, 1030380, 1099072, 1268160, 1373840, 1648608, 1690880, 2029056, 2060760, 2198144, 2536320, 2747680, 3297216, 3381760, 4121520, 4396288, 5072640, 5495360, 6594432, 8243040, 8792576, 10145280, 10990720, 13188864, 16486080, 21981440, 26377728, 32972160, 43962880, 65944320, 131888640]

約数ペア:

[(1, 131888640), (2, 65944320), (3, 43962880), (4, 32972160), (5, 26377728), (6, 21981440), (8, 16486080), (10, 13188864), (12, 10990720), (13, 10145280), (15, 8792576), (16, 8243040), (20, 6594432), (24, 5495360), (26, 5072640), (30, 4396288), (32, 4121520), (39, 3381760), (40, 3297216), (48, 2747680), (52, 2536320), (60, 2198144), (64, 2060760), (65, 2029056), (78, 1690880), (80, 1648608), (96, 1373840), (104, 1268160), (120, 1099072), (128, 1030380), (130, 1014528), (156, 845440), (160, 824304), (192, 686920), (195, 676352), (208, 634080), (240, 549536), (256, 515190), (260, 507264), (312, 422720), (320, 412152), (384, 343460), (390, 338176), (416, 317040), (480, 274768), (512, 257595), (520, 253632), (624, 211360), (640, 206076), (768, 171730), (780, 169088), (832, 158520), (960, 137384), (1040, 126816), (1248, 105680), (1280, 103038), (1321, 99840), (1536, 85865), (1560, 84544), (1664, 79260), (1920, 68692), (2080, 63408), (2496, 52840), (2560, 51519), (2642, 49920), (3120, 42272), (3328, 39630), (3840, 34346), (3963, 33280), (4160, 31704), (4992, 26420), (5284, 24960), (6240, 21136), (6605, 19968), (6656, 19815), (7680, 17173), (7926, 16640), (8320, 15852), (9984, 13210), (10568, 12480)]