20105320860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1\times {\mathrm{1543}}^1$

素因数の和:2128

約数の個数: 144

約数和(自身を含む): 61507031040

約数和(自身を除く): 41401710180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 379, 382, 573, 758, 764, 955, 1137, 1146, 1516, 1543, 1719, 1895, 1910, 2274, 2292, 2865, 3086, 3411, 3438, 3790, 3820, 4548, 4629, 5685, 5730, 6172, 6822, 6876, 7580, 7715, 8595, 9258, 11370, 11460, 13644, 13887, 15430, 17055, 17190, 18516, 22740, 23145, 27774, 30860, 34110, 34380, 46290, 55548, 68220, 69435, 72389, 92580, 138870, 144778, 217167, 277740, 289556, 294713, 361945, 434334, 584797, 589426, 651501, 723890, 868668, 884139, 1085835, 1169594, 1178852, 1303002, 1447780, 1473565, 1754391, 1768278, 2171670, 2339188, 2606004, 2652417, 2923985, 2947130, 3257505, 3508782, 3536556, 4343340, 4420695, 5263173, 5304834, 5847970, 5894260, 6515010, 7017564, 8771955, 8841390, 10526346, 10609668, 11695940, 13030020, 13262085, 17543910, 17682780, 21052692, 26315865, 26524170, 35087820, 52631730, 53048340, 105263460, 111696227, 223392454, 335088681, 446784908, 558481135, 670177362, 1005266043, 1116962270, 1340354724, 1675443405, 2010532086, 2233924540, 3350886810, 4021064172, 5026330215, 6701773620, 10052660430, 20105320860]

約数ペア:

[(1, 20105320860), (2, 10052660430), (3, 6701773620), (4, 5026330215), (5, 4021064172), (6, 3350886810), (9, 2233924540), (10, 2010532086), (12, 1675443405), (15, 1340354724), (18, 1116962270), (20, 1005266043), (30, 670177362), (36, 558481135), (45, 446784908), (60, 335088681), (90, 223392454), (180, 111696227), (191, 105263460), (379, 53048340), (382, 52631730), (573, 35087820), (758, 26524170), (764, 26315865), (955, 21052692), (1137, 17682780), (1146, 17543910), (1516, 13262085), (1543, 13030020), (1719, 11695940), (1895, 10609668), (1910, 10526346), (2274, 8841390), (2292, 8771955), (2865, 7017564), (3086, 6515010), (3411, 5894260), (3438, 5847970), (3790, 5304834), (3820, 5263173), (4548, 4420695), (4629, 4343340), (5685, 3536556), (5730, 3508782), (6172, 3257505), (6822, 2947130), (6876, 2923985), (7580, 2652417), (7715, 2606004), (8595, 2339188), (9258, 2171670), (11370, 1768278), (11460, 1754391), (13644, 1473565), (13887, 1447780), (15430, 1303002), (17055, 1178852), (17190, 1169594), (18516, 1085835), (22740, 884139), (23145, 868668), (27774, 723890), (30860, 651501), (34110, 589426), (34380, 584797), (46290, 434334), (55548, 361945), (68220, 294713), (69435, 289556), (72389, 277740), (92580, 217167), (138870, 144778)]