215231520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{9151}}^1$

素因数の和:9183

約数の個数: 144

約数和(自身を含む): 788755968

約数和(自身を除く): 573524448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 9151, 11760, 18302, 23520, 27453, 36604, 45755, 54906, 64057, 73208, 91510, 109812, 128114, 137265, 146416, 183020, 192171, 219624, 256228, 274530, 292832, 320285, 366040, 384342, 439248, 448399, 512456, 549060, 640570, 732080, 768684, 878496, 896798, 960855, 1024912, 1098120, 1281140, 1345197, 1464160, 1537368, 1793596, 1921710, 2049824, 2196240, 2241995, 2562280, 2690394, 3074736, 3587192, 3843420, 4392480, 4483990, 5124560, 5380788, 6149472, 6725985, 7174384, 7686840, 8967980, 10249120, 10761576, 13451970, 14348768, 15373680, 17935960, 21523152, 26903940, 30747360, 35871920, 43046304, 53807880, 71743840, 107615760, 215231520]

約数ペア:

[(1, 215231520), (2, 107615760), (3, 71743840), (4, 53807880), (5, 43046304), (6, 35871920), (7, 30747360), (8, 26903940), (10, 21523152), (12, 17935960), (14, 15373680), (15, 14348768), (16, 13451970), (20, 10761576), (21, 10249120), (24, 8967980), (28, 7686840), (30, 7174384), (32, 6725985), (35, 6149472), (40, 5380788), (42, 5124560), (48, 4483990), (49, 4392480), (56, 3843420), (60, 3587192), (70, 3074736), (80, 2690394), (84, 2562280), (96, 2241995), (98, 2196240), (105, 2049824), (112, 1921710), (120, 1793596), (140, 1537368), (147, 1464160), (160, 1345197), (168, 1281140), (196, 1098120), (210, 1024912), (224, 960855), (240, 896798), (245, 878496), (280, 768684), (294, 732080), (336, 640570), (392, 549060), (420, 512456), (480, 448399), (490, 439248), (560, 384342), (588, 366040), (672, 320285), (735, 292832), (784, 274530), (840, 256228), (980, 219624), (1120, 192171), (1176, 183020), (1470, 146416), (1568, 137265), (1680, 128114), (1960, 109812), (2352, 91510), (2940, 73208), (3360, 64057), (3920, 54906), (4704, 45755), (5880, 36604), (7840, 27453), (9151, 23520), (11760, 18302)]