85782340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 234420480

約数和(自身を除く): 148638140

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 49, 68, 70, 76, 85, 95, 98, 119, 133, 140, 170, 190, 196, 238, 245, 266, 271, 323, 340, 380, 476, 490, 532, 542, 595, 646, 665, 833, 931, 980, 1084, 1190, 1292, 1330, 1355, 1615, 1666, 1862, 1897, 2261, 2380, 2660, 2710, 3230, 3332, 3724, 3794, 4165, 4522, 4607, 4655, 5149, 5420, 6460, 7588, 8330, 9044, 9214, 9310, 9485, 10298, 11305, 13279, 15827, 16660, 18428, 18620, 18970, 20596, 22610, 23035, 25745, 26558, 31654, 32249, 36043, 37940, 45220, 46070, 51490, 53116, 63308, 64498, 66395, 72086, 79135, 87533, 92140, 102980, 128996, 132790, 144172, 158270, 161245, 175066, 180215, 225743, 252301, 265580, 316540, 322490, 350132, 360430, 437665, 451486, 504602, 612731, 644980, 720860, 875330, 902972, 1009204, 1128715, 1225462, 1261505, 1750660, 2257430, 2450924, 2523010, 3063655, 4289117, 4514860, 5046020, 6127310, 8578234, 12254620, 17156468, 21445585, 42891170, 85782340]

約数ペア:

[(1, 85782340), (2, 42891170), (4, 21445585), (5, 17156468), (7, 12254620), (10, 8578234), (14, 6127310), (17, 5046020), (19, 4514860), (20, 4289117), (28, 3063655), (34, 2523010), (35, 2450924), (38, 2257430), (49, 1750660), (68, 1261505), (70, 1225462), (76, 1128715), (85, 1009204), (95, 902972), (98, 875330), (119, 720860), (133, 644980), (140, 612731), (170, 504602), (190, 451486), (196, 437665), (238, 360430), (245, 350132), (266, 322490), (271, 316540), (323, 265580), (340, 252301), (380, 225743), (476, 180215), (490, 175066), (532, 161245), (542, 158270), (595, 144172), (646, 132790), (665, 128996), (833, 102980), (931, 92140), (980, 87533), (1084, 79135), (1190, 72086), (1292, 66395), (1330, 64498), (1355, 63308), (1615, 53116), (1666, 51490), (1862, 46070), (1897, 45220), (2261, 37940), (2380, 36043), (2660, 32249), (2710, 31654), (3230, 26558), (3332, 25745), (3724, 23035), (3794, 22610), (4165, 20596), (4522, 18970), (4607, 18620), (4655, 18428), (5149, 16660), (5420, 15827), (6460, 13279), (7588, 11305), (8330, 10298), (9044, 9485), (9214, 9310)]