639470160

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{42293}}^1$

素因数の和:42322

約数の個数: 160

約数和(自身を含む): 2517338880

約数和(自身を除く): 1877868720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 42293, 84586, 126879, 169172, 211465, 253758, 296051, 338344, 380637, 422930, 507516, 592102, 634395, 676688, 761274, 845860, 888153, 1015032, 1141911, 1184204, 1268790, 1480255, 1522548, 1691720, 1776306, 1903185, 2030064, 2283822, 2368408, 2537580, 2664459, 2960510, 3045096, 3383440, 3552612, 3806370, 4440765, 4567644, 4736816, 5075160, 5328918, 5709555, 5921020, 6090192, 7105224, 7612740, 7993377, 8881530, 9135288, 10150320, 10657836, 11419110, 11842040, 13322295, 14210448, 15225480, 15986754, 17763060, 18270576, 21315672, 22838220, 23684080, 26644590, 30450960, 31973508, 35526120, 39966885, 42631344, 45676440, 53289180, 63947016, 71052240, 79933770, 91352880, 106578360, 127894032, 159867540, 213156720, 319735080, 639470160]

約数ペア:

[(1, 639470160), (2, 319735080), (3, 213156720), (4, 159867540), (5, 127894032), (6, 106578360), (7, 91352880), (8, 79933770), (9, 71052240), (10, 63947016), (12, 53289180), (14, 45676440), (15, 42631344), (16, 39966885), (18, 35526120), (20, 31973508), (21, 30450960), (24, 26644590), (27, 23684080), (28, 22838220), (30, 21315672), (35, 18270576), (36, 17763060), (40, 15986754), (42, 15225480), (45, 14210448), (48, 13322295), (54, 11842040), (56, 11419110), (60, 10657836), (63, 10150320), (70, 9135288), (72, 8881530), (80, 7993377), (84, 7612740), (90, 7105224), (105, 6090192), (108, 5921020), (112, 5709555), (120, 5328918), (126, 5075160), (135, 4736816), (140, 4567644), (144, 4440765), (168, 3806370), (180, 3552612), (189, 3383440), (210, 3045096), (216, 2960510), (240, 2664459), (252, 2537580), (270, 2368408), (280, 2283822), (315, 2030064), (336, 1903185), (360, 1776306), (378, 1691720), (420, 1522548), (432, 1480255), (504, 1268790), (540, 1184204), (560, 1141911), (630, 1015032), (720, 888153), (756, 845860), (840, 761274), (945, 676688), (1008, 634395), (1080, 592102), (1260, 507516), (1512, 422930), (1680, 380637), (1890, 338344), (2160, 296051), (2520, 253758), (3024, 211465), (3780, 169172), (5040, 126879), (7560, 84586), (15120, 42293)]