15987720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{2719}}^1$

素因数の和:2747

約数の個数: 96

約数和(自身を含む): 55814400

約数和(自身を除く): 39826680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2719, 2940, 5438, 5880, 8157, 10876, 13595, 16314, 19033, 21752, 27190, 32628, 38066, 40785, 54380, 57099, 65256, 76132, 81570, 95165, 108760, 114198, 133231, 152264, 163140, 190330, 228396, 266462, 285495, 326280, 380660, 399693, 456792, 532924, 570990, 666155, 761320, 799386, 1065848, 1141980, 1332310, 1598772, 1998465, 2283960, 2664620, 3197544, 3996930, 5329240, 7993860, 15987720]

約数ペア:

[(1, 15987720), (2, 7993860), (3, 5329240), (4, 3996930), (5, 3197544), (6, 2664620), (7, 2283960), (8, 1998465), (10, 1598772), (12, 1332310), (14, 1141980), (15, 1065848), (20, 799386), (21, 761320), (24, 666155), (28, 570990), (30, 532924), (35, 456792), (40, 399693), (42, 380660), (49, 326280), (56, 285495), (60, 266462), (70, 228396), (84, 190330), (98, 163140), (105, 152264), (120, 133231), (140, 114198), (147, 108760), (168, 95165), (196, 81570), (210, 76132), (245, 65256), (280, 57099), (294, 54380), (392, 40785), (420, 38066), (490, 32628), (588, 27190), (735, 21752), (840, 19033), (980, 16314), (1176, 13595), (1470, 10876), (1960, 8157), (2719, 5880), (2940, 5438)]