89881020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 294446880

約数和(自身を除く): 204565860

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, 641, 684, 738, 779, 820, 855, 1140, 1230, 1282, 1476, 1558, 1710, 1845, 1923, 2337, 2460, 2564, 3116, 3205, 3420, 3690, 3846, 3895, 4674, 5769, 6410, 7011, 7380, 7692, 7790, 9348, 9615, 11538, 11685, 12179, 12820, 14022, 15580, 19230, 23076, 23370, 24358, 26281, 28044, 28845, 35055, 36537, 38460, 46740, 48716, 52562, 57690, 60895, 70110, 73074, 78843, 105124, 109611, 115380, 121790, 131405, 140220, 146148, 157686, 182685, 219222, 236529, 243580, 262810, 315372, 365370, 394215, 438444, 473058, 499339, 525620, 548055, 730740, 788430, 946116, 998678, 1096110, 1182645, 1498017, 1576860, 1997356, 2192220, 2365290, 2496695, 2996034, 4494051, 4730580, 4993390, 5992068, 7490085, 8988102, 9986780, 14980170, 17976204, 22470255, 29960340, 44940510, 89881020]

約数ペア:

[(1, 89881020), (2, 44940510), (3, 29960340), (4, 22470255), (5, 17976204), (6, 14980170), (9, 9986780), (10, 8988102), (12, 7490085), (15, 5992068), (18, 4993390), (19, 4730580), (20, 4494051), (30, 2996034), (36, 2496695), (38, 2365290), (41, 2192220), (45, 1997356), (57, 1576860), (60, 1498017), (76, 1182645), (82, 1096110), (90, 998678), (95, 946116), (114, 788430), (123, 730740), (164, 548055), (171, 525620), (180, 499339), (190, 473058), (205, 438444), (228, 394215), (246, 365370), (285, 315372), (342, 262810), (369, 243580), (380, 236529), (410, 219222), (492, 182685), (570, 157686), (615, 146148), (641, 140220), (684, 131405), (738, 121790), (779, 115380), (820, 109611), (855, 105124), (1140, 78843), (1230, 73074), (1282, 70110), (1476, 60895), (1558, 57690), (1710, 52562), (1845, 48716), (1923, 46740), (2337, 38460), (2460, 36537), (2564, 35055), (3116, 28845), (3205, 28044), (3420, 26281), (3690, 24358), (3846, 23370), (3895, 23076), (4674, 19230), (5769, 15580), (6410, 14022), (7011, 12820), (7380, 12179), (7692, 11685), (7790, 11538), (9348, 9615)]