79801540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 208293120

約数和(自身を除く): 128491580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 163, 182, 260, 269, 326, 364, 455, 538, 652, 815, 910, 1076, 1141, 1345, 1630, 1820, 1883, 2119, 2282, 2690, 3260, 3497, 3766, 4238, 4564, 5380, 5705, 6994, 7532, 8476, 9415, 10595, 11410, 13988, 14833, 17485, 18830, 21190, 22820, 24479, 29666, 34970, 37660, 42380, 43847, 48958, 59332, 69940, 74165, 87694, 97916, 122395, 148330, 175388, 219235, 244790, 296660, 306929, 438470, 489580, 570011, 613858, 876940, 1140022, 1227716, 1534645, 2280044, 2850055, 3069290, 3990077, 5700110, 6138580, 7980154, 11400220, 15960308, 19950385, 39900770, 79801540]

約数ペア:

[(1, 79801540), (2, 39900770), (4, 19950385), (5, 15960308), (7, 11400220), (10, 7980154), (13, 6138580), (14, 5700110), (20, 3990077), (26, 3069290), (28, 2850055), (35, 2280044), (52, 1534645), (65, 1227716), (70, 1140022), (91, 876940), (130, 613858), (140, 570011), (163, 489580), (182, 438470), (260, 306929), (269, 296660), (326, 244790), (364, 219235), (455, 175388), (538, 148330), (652, 122395), (815, 97916), (910, 87694), (1076, 74165), (1141, 69940), (1345, 59332), (1630, 48958), (1820, 43847), (1883, 42380), (2119, 37660), (2282, 34970), (2690, 29666), (3260, 24479), (3497, 22820), (3766, 21190), (4238, 18830), (4564, 17485), (5380, 14833), (5705, 13988), (6994, 11410), (7532, 10595), (8476, 9415)]