127678460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 345659328

約数和(自身を除く): 217980868

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 73, 91, 124, 130, 140, 146, 155, 182, 217, 260, 292, 310, 364, 365, 403, 434, 455, 511, 620, 730, 806, 868, 910, 949, 961, 1022, 1085, 1460, 1612, 1820, 1898, 1922, 2015, 2044, 2170, 2263, 2555, 2821, 3796, 3844, 4030, 4340, 4526, 4745, 4805, 5110, 5642, 6643, 6727, 8060, 9052, 9490, 9610, 10220, 11284, 11315, 12493, 13286, 13454, 14105, 15841, 18980, 19220, 22630, 24986, 26572, 26908, 28210, 29419, 31682, 33215, 33635, 45260, 49972, 56420, 58838, 62465, 63364, 66430, 67270, 70153, 79205, 87451, 117676, 124930, 132860, 134540, 140306, 147095, 158410, 174902, 205933, 249860, 280612, 294190, 316820, 349804, 350765, 411866, 437255, 491071, 588380, 701530, 823732, 874510, 911989, 982142, 1029665, 1403060, 1749020, 1823978, 1964284, 2059330, 2455355, 3647956, 4118660, 4559945, 4910710, 6383923, 9119890, 9821420, 12767846, 18239780, 25535692, 31919615, 63839230, 127678460]

約数ペア:

[(1, 127678460), (2, 63839230), (4, 31919615), (5, 25535692), (7, 18239780), (10, 12767846), (13, 9821420), (14, 9119890), (20, 6383923), (26, 4910710), (28, 4559945), (31, 4118660), (35, 3647956), (52, 2455355), (62, 2059330), (65, 1964284), (70, 1823978), (73, 1749020), (91, 1403060), (124, 1029665), (130, 982142), (140, 911989), (146, 874510), (155, 823732), (182, 701530), (217, 588380), (260, 491071), (292, 437255), (310, 411866), (364, 350765), (365, 349804), (403, 316820), (434, 294190), (455, 280612), (511, 249860), (620, 205933), (730, 174902), (806, 158410), (868, 147095), (910, 140306), (949, 134540), (961, 132860), (1022, 124930), (1085, 117676), (1460, 87451), (1612, 79205), (1820, 70153), (1898, 67270), (1922, 66430), (2015, 63364), (2044, 62465), (2170, 58838), (2263, 56420), (2555, 49972), (2821, 45260), (3796, 33635), (3844, 33215), (4030, 31682), (4340, 29419), (4526, 28210), (4745, 26908), (4805, 26572), (5110, 24986), (5642, 22630), (6643, 19220), (6727, 18980), (8060, 15841), (9052, 14105), (9490, 13454), (9610, 13286), (10220, 12493), (11284, 11315)]