217761660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1628

約数の個数: 144

約数和(自身を含む): 712726560

約数和(自身を除く): 494964900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 570, 615, 684, 738, 779, 820, 855, 1140, 1230, 1476, 1553, 1558, 1710, 1845, 2337, 2460, 3106, 3116, 3420, 3690, 3895, 4659, 4674, 6212, 7011, 7380, 7765, 7790, 9318, 9348, 11685, 13977, 14022, 15530, 15580, 18636, 23295, 23370, 27954, 28044, 29507, 31060, 35055, 46590, 46740, 55908, 59014, 63673, 69885, 70110, 88521, 93180, 118028, 127346, 139770, 140220, 147535, 177042, 191019, 254692, 265563, 279540, 295070, 318365, 354084, 382038, 442605, 531126, 573057, 590140, 636730, 764076, 885210, 955095, 1062252, 1146114, 1209787, 1273460, 1327815, 1770420, 1910190, 2292228, 2419574, 2655630, 2865285, 3629361, 3820380, 4839148, 5311260, 5730570, 6048935, 7258722, 10888083, 11461140, 12097870, 14517444, 18146805, 21776166, 24195740, 36293610, 43552332, 54440415, 72587220, 108880830, 217761660]

約数ペア:

[(1, 217761660), (2, 108880830), (3, 72587220), (4, 54440415), (5, 43552332), (6, 36293610), (9, 24195740), (10, 21776166), (12, 18146805), (15, 14517444), (18, 12097870), (19, 11461140), (20, 10888083), (30, 7258722), (36, 6048935), (38, 5730570), (41, 5311260), (45, 4839148), (57, 3820380), (60, 3629361), (76, 2865285), (82, 2655630), (90, 2419574), (95, 2292228), (114, 1910190), (123, 1770420), (164, 1327815), (171, 1273460), (180, 1209787), (190, 1146114), (205, 1062252), (228, 955095), (246, 885210), (285, 764076), (342, 636730), (369, 590140), (380, 573057), (410, 531126), (492, 442605), (570, 382038), (615, 354084), (684, 318365), (738, 295070), (779, 279540), (820, 265563), (855, 254692), (1140, 191019), (1230, 177042), (1476, 147535), (1553, 140220), (1558, 139770), (1710, 127346), (1845, 118028), (2337, 93180), (2460, 88521), (3106, 70110), (3116, 69885), (3420, 63673), (3690, 59014), (3895, 55908), (4659, 46740), (4674, 46590), (6212, 35055), (7011, 31060), (7380, 29507), (7765, 28044), (7790, 27954), (9318, 23370), (9348, 23295), (11685, 18636), (13977, 15580), (14022, 15530)]