215246640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4133}}^1$

素因数の和:4187

約数の個数: 160

約数和(自身を含む): 787378176

約数和(自身を除く): 572131536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4133, 4340, 5208, 6510, 7440, 8266, 8680, 10416, 12399, 13020, 16532, 17360, 20665, 24798, 26040, 28931, 33064, 41330, 49596, 52080, 57862, 61995, 66128, 82660, 86793, 99192, 115724, 123990, 128123, 144655, 165320, 173586, 198384, 231448, 247980, 256246, 289310, 330640, 347172, 384369, 433965, 462896, 495960, 512492, 578620, 640615, 694344, 768738, 867930, 896861, 991920, 1024984, 1157240, 1281230, 1388688, 1537476, 1735860, 1793722, 1921845, 2049968, 2314480, 2562460, 2690583, 3074952, 3471720, 3587444, 3843690, 4484305, 5124920, 5381166, 6149904, 6943440, 7174888, 7687380, 8968610, 10249840, 10762332, 13452915, 14349776, 15374760, 17937220, 21524664, 26905830, 30749520, 35874440, 43049328, 53811660, 71748880, 107623320, 215246640]

約数ペア:

[(1, 215246640), (2, 107623320), (3, 71748880), (4, 53811660), (5, 43049328), (6, 35874440), (7, 30749520), (8, 26905830), (10, 21524664), (12, 17937220), (14, 15374760), (15, 14349776), (16, 13452915), (20, 10762332), (21, 10249840), (24, 8968610), (28, 7687380), (30, 7174888), (31, 6943440), (35, 6149904), (40, 5381166), (42, 5124920), (48, 4484305), (56, 3843690), (60, 3587444), (62, 3471720), (70, 3074952), (80, 2690583), (84, 2562460), (93, 2314480), (105, 2049968), (112, 1921845), (120, 1793722), (124, 1735860), (140, 1537476), (155, 1388688), (168, 1281230), (186, 1157240), (210, 1024984), (217, 991920), (240, 896861), (248, 867930), (280, 768738), (310, 694344), (336, 640615), (372, 578620), (420, 512492), (434, 495960), (465, 462896), (496, 433965), (560, 384369), (620, 347172), (651, 330640), (744, 289310), (840, 256246), (868, 247980), (930, 231448), (1085, 198384), (1240, 173586), (1302, 165320), (1488, 144655), (1680, 128123), (1736, 123990), (1860, 115724), (2170, 99192), (2480, 86793), (2604, 82660), (3255, 66128), (3472, 61995), (3720, 57862), (4133, 52080), (4340, 49596), (5208, 41330), (6510, 33064), (7440, 28931), (8266, 26040), (8680, 24798), (10416, 20665), (12399, 17360), (13020, 16532)]