281256240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1739

約数の個数: 160

約数和(自身を含む): 943153920

約数和(自身を除く): 661897680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 555, 570, 592, 703, 740, 760, 888, 912, 1110, 1140, 1406, 1480, 1520, 1667, 1776, 2109, 2220, 2280, 2812, 2960, 3334, 3515, 4218, 4440, 4560, 5001, 5624, 6668, 7030, 8335, 8436, 8880, 10002, 10545, 11248, 13336, 14060, 16670, 16872, 20004, 21090, 25005, 26672, 28120, 31673, 33340, 33744, 40008, 42180, 50010, 56240, 61679, 63346, 66680, 80016, 84360, 95019, 100020, 123358, 126692, 133360, 158365, 168720, 185037, 190038, 200040, 246716, 253384, 308395, 316730, 370074, 380076, 400080, 475095, 493432, 506768, 616790, 633460, 740148, 760152, 925185, 950190, 986864, 1171901, 1233580, 1266920, 1480296, 1520304, 1850370, 1900380, 2343802, 2467160, 2533840, 2960592, 3515703, 3700740, 3800760, 4687604, 4934320, 5859505, 7031406, 7401480, 7601520, 9375208, 11719010, 14062812, 14802960, 17578515, 18750416, 23438020, 28125624, 35157030, 46876040, 56251248, 70314060, 93752080, 140628120, 281256240]

約数ペア:

[(1, 281256240), (2, 140628120), (3, 93752080), (4, 70314060), (5, 56251248), (6, 46876040), (8, 35157030), (10, 28125624), (12, 23438020), (15, 18750416), (16, 17578515), (19, 14802960), (20, 14062812), (24, 11719010), (30, 9375208), (37, 7601520), (38, 7401480), (40, 7031406), (48, 5859505), (57, 4934320), (60, 4687604), (74, 3800760), (76, 3700740), (80, 3515703), (95, 2960592), (111, 2533840), (114, 2467160), (120, 2343802), (148, 1900380), (152, 1850370), (185, 1520304), (190, 1480296), (222, 1266920), (228, 1233580), (240, 1171901), (285, 986864), (296, 950190), (304, 925185), (370, 760152), (380, 740148), (444, 633460), (456, 616790), (555, 506768), (570, 493432), (592, 475095), (703, 400080), (740, 380076), (760, 370074), (888, 316730), (912, 308395), (1110, 253384), (1140, 246716), (1406, 200040), (1480, 190038), (1520, 185037), (1667, 168720), (1776, 158365), (2109, 133360), (2220, 126692), (2280, 123358), (2812, 100020), (2960, 95019), (3334, 84360), (3515, 80016), (4218, 66680), (4440, 63346), (4560, 61679), (5001, 56240), (5624, 50010), (6668, 42180), (7030, 40008), (8335, 33744), (8436, 33340), (8880, 31673), (10002, 28120), (10545, 26672), (11248, 25005), (13336, 21090), (14060, 20004), (16670, 16872)]