72001260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 236527200

約数和(自身を除く): 164525940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 555, 569, 570, 666, 684, 703, 740, 855, 1110, 1138, 1140, 1332, 1406, 1665, 1707, 1710, 2109, 2220, 2276, 2812, 2845, 3330, 3414, 3420, 3515, 4218, 5121, 5690, 6327, 6660, 6828, 7030, 8436, 8535, 10242, 10545, 10811, 11380, 12654, 14060, 17070, 20484, 21053, 21090, 21622, 25308, 25605, 31635, 32433, 34140, 42106, 42180, 43244, 51210, 54055, 63159, 63270, 64866, 84212, 97299, 102420, 105265, 108110, 126318, 126540, 129732, 162165, 189477, 194598, 210530, 216220, 252636, 315795, 324330, 378954, 389196, 400007, 421060, 486495, 631590, 648660, 757908, 800014, 947385, 972990, 1200021, 1263180, 1600028, 1894770, 1945980, 2000035, 2400042, 3600063, 3789540, 4000070, 4800084, 6000105, 7200126, 8000140, 12000210, 14400252, 18000315, 24000420, 36000630, 72001260]

約数ペア:

[(1, 72001260), (2, 36000630), (3, 24000420), (4, 18000315), (5, 14400252), (6, 12000210), (9, 8000140), (10, 7200126), (12, 6000105), (15, 4800084), (18, 4000070), (19, 3789540), (20, 3600063), (30, 2400042), (36, 2000035), (37, 1945980), (38, 1894770), (45, 1600028), (57, 1263180), (60, 1200021), (74, 972990), (76, 947385), (90, 800014), (95, 757908), (111, 648660), (114, 631590), (148, 486495), (171, 421060), (180, 400007), (185, 389196), (190, 378954), (222, 324330), (228, 315795), (285, 252636), (333, 216220), (342, 210530), (370, 194598), (380, 189477), (444, 162165), (555, 129732), (569, 126540), (570, 126318), (666, 108110), (684, 105265), (703, 102420), (740, 97299), (855, 84212), (1110, 64866), (1138, 63270), (1140, 63159), (1332, 54055), (1406, 51210), (1665, 43244), (1707, 42180), (1710, 42106), (2109, 34140), (2220, 32433), (2276, 31635), (2812, 25605), (2845, 25308), (3330, 21622), (3414, 21090), (3420, 21053), (3515, 20484), (4218, 17070), (5121, 14060), (5690, 12654), (6327, 11380), (6660, 10811), (6828, 10545), (7030, 10242), (8436, 8535)]