277863540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 827447040

約数和(自身を除く): 549583500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 61, 62, 79, 93, 122, 124, 155, 158, 183, 186, 237, 244, 305, 310, 316, 366, 372, 395, 465, 474, 610, 620, 732, 790, 915, 930, 948, 961, 1185, 1220, 1580, 1830, 1860, 1891, 1922, 2370, 2449, 2883, 3660, 3782, 3844, 4740, 4805, 4819, 4898, 5673, 5766, 7347, 7564, 9455, 9610, 9638, 9796, 11346, 11532, 12245, 14415, 14457, 14694, 18910, 19220, 19276, 22692, 24095, 24490, 28365, 28830, 28914, 29388, 36735, 37820, 48190, 48980, 56730, 57660, 57828, 58621, 72285, 73470, 75919, 96380, 113460, 117242, 144570, 146940, 149389, 151838, 175863, 227757, 234484, 289140, 293105, 298778, 303676, 351726, 379595, 448167, 455514, 586210, 597556, 703452, 746945, 759190, 879315, 896334, 911028, 1138785, 1172420, 1493890, 1518380, 1758630, 1792668, 2240835, 2277570, 2987780, 3517260, 4481670, 4555140, 4631059, 8963340, 9262118, 13893177, 18524236, 23155295, 27786354, 46310590, 55572708, 69465885, 92621180, 138931770, 277863540]

約数ペア:

[(1, 277863540), (2, 138931770), (3, 92621180), (4, 69465885), (5, 55572708), (6, 46310590), (10, 27786354), (12, 23155295), (15, 18524236), (20, 13893177), (30, 9262118), (31, 8963340), (60, 4631059), (61, 4555140), (62, 4481670), (79, 3517260), (93, 2987780), (122, 2277570), (124, 2240835), (155, 1792668), (158, 1758630), (183, 1518380), (186, 1493890), (237, 1172420), (244, 1138785), (305, 911028), (310, 896334), (316, 879315), (366, 759190), (372, 746945), (395, 703452), (465, 597556), (474, 586210), (610, 455514), (620, 448167), (732, 379595), (790, 351726), (915, 303676), (930, 298778), (948, 293105), (961, 289140), (1185, 234484), (1220, 227757), (1580, 175863), (1830, 151838), (1860, 149389), (1891, 146940), (1922, 144570), (2370, 117242), (2449, 113460), (2883, 96380), (3660, 75919), (3782, 73470), (3844, 72285), (4740, 58621), (4805, 57828), (4819, 57660), (4898, 56730), (5673, 48980), (5766, 48190), (7347, 37820), (7564, 36735), (9455, 29388), (9610, 28914), (9638, 28830), (9796, 28365), (11346, 24490), (11532, 24095), (12245, 22692), (14415, 19276), (14457, 19220), (14694, 18910)]