131228640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:882

約数の個数: 192

約数和(自身を含む): 472288320

約数和(自身を除く): 341059680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 216, 222, 240, 270, 288, 296, 333, 360, 370, 432, 444, 480, 540, 555, 592, 666, 720, 740, 821, 864, 888, 999, 1080, 1110, 1184, 1332, 1440, 1480, 1642, 1665, 1776, 1998, 2160, 2220, 2463, 2664, 2960, 3284, 3330, 3552, 3996, 4105, 4320, 4440, 4926, 4995, 5328, 5920, 6568, 6660, 7389, 7992, 8210, 8880, 9852, 9990, 10656, 12315, 13136, 13320, 14778, 15984, 16420, 17760, 19704, 19980, 22167, 24630, 26272, 26640, 29556, 30377, 31968, 32840, 36945, 39408, 39960, 44334, 49260, 53280, 59112, 60754, 65680, 73890, 78816, 79920, 88668, 91131, 98520, 110835, 118224, 121508, 131360, 147780, 151885, 159840, 177336, 182262, 197040, 221670, 236448, 243016, 273393, 295560, 303770, 354672, 364524, 394080, 443340, 455655, 486032, 546786, 591120, 607540, 709344, 729048, 820179, 886680, 911310, 972064, 1093572, 1182240, 1215080, 1366965, 1458096, 1640358, 1773360, 1822620, 2187144, 2430160, 2733930, 2916192, 3280716, 3546720, 3645240, 4100895, 4374288, 4860320, 5467860, 6561432, 7290480, 8201790, 8748576, 10935720, 13122864, 14580960, 16403580, 21871440, 26245728, 32807160, 43742880, 65614320, 131228640]

約数ペア:

[(1, 131228640), (2, 65614320), (3, 43742880), (4, 32807160), (5, 26245728), (6, 21871440), (8, 16403580), (9, 14580960), (10, 13122864), (12, 10935720), (15, 8748576), (16, 8201790), (18, 7290480), (20, 6561432), (24, 5467860), (27, 4860320), (30, 4374288), (32, 4100895), (36, 3645240), (37, 3546720), (40, 3280716), (45, 2916192), (48, 2733930), (54, 2430160), (60, 2187144), (72, 1822620), (74, 1773360), (80, 1640358), (90, 1458096), (96, 1366965), (108, 1215080), (111, 1182240), (120, 1093572), (135, 972064), (144, 911310), (148, 886680), (160, 820179), (180, 729048), (185, 709344), (216, 607540), (222, 591120), (240, 546786), (270, 486032), (288, 455655), (296, 443340), (333, 394080), (360, 364524), (370, 354672), (432, 303770), (444, 295560), (480, 273393), (540, 243016), (555, 236448), (592, 221670), (666, 197040), (720, 182262), (740, 177336), (821, 159840), (864, 151885), (888, 147780), (999, 131360), (1080, 121508), (1110, 118224), (1184, 110835), (1332, 98520), (1440, 91131), (1480, 88668), (1642, 79920), (1665, 78816), (1776, 73890), (1998, 65680), (2160, 60754), (2220, 59112), (2463, 53280), (2664, 49260), (2960, 44334), (3284, 39960), (3330, 39408), (3552, 36945), (3996, 32840), (4105, 31968), (4320, 30377), (4440, 29556), (4926, 26640), (4995, 26272), (5328, 24630), (5920, 22167), (6568, 19980), (6660, 19704), (7389, 17760), (7992, 16420), (8210, 15984), (8880, 14778), (9852, 13320), (9990, 13136), (10656, 12315)]