221855220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:535

約数の個数: 192

約数和(自身を含む): 738662400

約数和(自身を除く): 516807180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 31, 36, 45, 54, 58, 60, 62, 87, 90, 93, 108, 116, 124, 135, 145, 155, 174, 180, 186, 261, 270, 279, 290, 310, 348, 372, 435, 457, 465, 522, 540, 558, 580, 620, 783, 837, 870, 899, 914, 930, 1044, 1116, 1305, 1371, 1395, 1566, 1674, 1740, 1798, 1828, 1860, 2285, 2610, 2697, 2742, 2790, 3132, 3348, 3596, 3915, 4113, 4185, 4495, 4570, 5220, 5394, 5484, 5580, 6855, 7830, 8091, 8226, 8370, 8990, 9140, 10788, 12339, 13253, 13485, 13710, 14167, 15660, 16182, 16452, 16740, 17980, 20565, 24273, 24678, 26506, 26970, 27420, 28334, 32364, 39759, 40455, 41130, 42501, 48546, 49356, 53012, 53940, 56668, 61695, 66265, 70835, 79518, 80910, 82260, 85002, 97092, 119277, 121365, 123390, 127503, 132530, 141670, 159036, 161820, 170004, 198795, 212505, 238554, 242730, 246780, 255006, 265060, 283340, 357831, 382509, 397590, 410843, 425010, 477108, 485460, 510012, 596385, 637515, 715662, 765018, 795180, 821686, 850020, 1192770, 1232529, 1275030, 1431324, 1530036, 1643372, 1789155, 1912545, 2054215, 2385540, 2465058, 2550060, 3578310, 3697587, 3825090, 4108430, 4930116, 6162645, 7156620, 7395174, 7650180, 8216860, 11092761, 12325290, 14790348, 18487935, 22185522, 24650580, 36975870, 44371044, 55463805, 73951740, 110927610, 221855220]

約数ペア:

[(1, 221855220), (2, 110927610), (3, 73951740), (4, 55463805), (5, 44371044), (6, 36975870), (9, 24650580), (10, 22185522), (12, 18487935), (15, 14790348), (18, 12325290), (20, 11092761), (27, 8216860), (29, 7650180), (30, 7395174), (31, 7156620), (36, 6162645), (45, 4930116), (54, 4108430), (58, 3825090), (60, 3697587), (62, 3578310), (87, 2550060), (90, 2465058), (93, 2385540), (108, 2054215), (116, 1912545), (124, 1789155), (135, 1643372), (145, 1530036), (155, 1431324), (174, 1275030), (180, 1232529), (186, 1192770), (261, 850020), (270, 821686), (279, 795180), (290, 765018), (310, 715662), (348, 637515), (372, 596385), (435, 510012), (457, 485460), (465, 477108), (522, 425010), (540, 410843), (558, 397590), (580, 382509), (620, 357831), (783, 283340), (837, 265060), (870, 255006), (899, 246780), (914, 242730), (930, 238554), (1044, 212505), (1116, 198795), (1305, 170004), (1371, 161820), (1395, 159036), (1566, 141670), (1674, 132530), (1740, 127503), (1798, 123390), (1828, 121365), (1860, 119277), (2285, 97092), (2610, 85002), (2697, 82260), (2742, 80910), (2790, 79518), (3132, 70835), (3348, 66265), (3596, 61695), (3915, 56668), (4113, 53940), (4185, 53012), (4495, 49356), (4570, 48546), (5220, 42501), (5394, 41130), (5484, 40455), (5580, 39759), (6855, 32364), (7830, 28334), (8091, 27420), (8226, 26970), (8370, 26506), (8990, 24678), (9140, 24273), (10788, 20565), (12339, 17980), (13253, 16740), (13485, 16452), (13710, 16182), (14167, 15660)]