127978305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 269982720

約数和(自身を除く): 142004415

約数列:

[1, 3, 5, 7, 13, 15, 21, 29, 35, 39, 53, 61, 65, 87, 91, 105, 145, 159, 183, 195, 203, 265, 273, 305, 371, 377, 427, 435, 455, 609, 689, 793, 795, 915, 1015, 1113, 1131, 1281, 1365, 1537, 1769, 1855, 1885, 2067, 2135, 2379, 2639, 3045, 3233, 3445, 3965, 4611, 4823, 5307, 5551, 5565, 5655, 6405, 7685, 7917, 8845, 9699, 10335, 10759, 11895, 12383, 13195, 14469, 16165, 16653, 19981, 22631, 22997, 23055, 24115, 26535, 27755, 32277, 37149, 39585, 42029, 48495, 53795, 59943, 61915, 67893, 68991, 72345, 83265, 93757, 99905, 113155, 114985, 126087, 139867, 160979, 161385, 185745, 210145, 281271, 294203, 299715, 339465, 344955, 419601, 468785, 482937, 630435, 656299, 699335, 804895, 882609, 1218841, 1406355, 1471015, 1968897, 2098005, 2414685, 3281495, 3656523, 4413045, 6094205, 8531887, 9844485, 18282615, 25595661, 42659435, 127978305]

約数ペア:

[(1, 127978305), (3, 42659435), (5, 25595661), (7, 18282615), (13, 9844485), (15, 8531887), (21, 6094205), (29, 4413045), (35, 3656523), (39, 3281495), (53, 2414685), (61, 2098005), (65, 1968897), (87, 1471015), (91, 1406355), (105, 1218841), (145, 882609), (159, 804895), (183, 699335), (195, 656299), (203, 630435), (265, 482937), (273, 468785), (305, 419601), (371, 344955), (377, 339465), (427, 299715), (435, 294203), (455, 281271), (609, 210145), (689, 185745), (793, 161385), (795, 160979), (915, 139867), (1015, 126087), (1113, 114985), (1131, 113155), (1281, 99905), (1365, 93757), (1537, 83265), (1769, 72345), (1855, 68991), (1885, 67893), (2067, 61915), (2135, 59943), (2379, 53795), (2639, 48495), (3045, 42029), (3233, 39585), (3445, 37149), (3965, 32277), (4611, 27755), (4823, 26535), (5307, 24115), (5551, 23055), (5565, 22997), (5655, 22631), (6405, 19981), (7685, 16653), (7917, 16165), (8845, 14469), (9699, 13195), (10335, 12383), (10759, 11895)]