72507420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 245145600

約数和(自身を除く): 172638180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 54, 57, 60, 74, 76, 90, 95, 108, 111, 114, 135, 148, 171, 180, 185, 190, 191, 222, 228, 270, 285, 333, 342, 370, 380, 382, 444, 513, 540, 555, 570, 573, 666, 684, 703, 740, 764, 855, 955, 999, 1026, 1110, 1140, 1146, 1332, 1406, 1665, 1710, 1719, 1910, 1998, 2052, 2109, 2220, 2292, 2565, 2812, 2865, 3330, 3420, 3438, 3515, 3629, 3820, 3996, 4218, 4995, 5130, 5157, 5730, 6327, 6660, 6876, 7030, 7067, 7258, 8436, 8595, 9990, 10260, 10314, 10545, 10887, 11460, 12654, 14060, 14134, 14516, 17190, 18145, 18981, 19980, 20628, 21090, 21201, 21774, 25308, 25785, 28268, 31635, 32661, 34380, 35335, 36290, 37962, 42180, 42402, 43548, 51570, 54435, 63270, 63603, 65322, 70670, 72580, 75924, 84804, 94905, 97983, 103140, 106005, 108870, 126540, 127206, 130644, 134273, 141340, 163305, 189810, 190809, 195966, 212010, 217740, 254412, 268546, 318015, 326610, 379620, 381618, 391932, 402819, 424020, 489915, 537092, 636030, 653220, 671365, 763236, 805638, 954045, 979830, 1208457, 1272060, 1342730, 1611276, 1908090, 1959660, 2014095, 2416914, 2685460, 3625371, 3816180, 4028190, 4833828, 6042285, 7250742, 8056380, 12084570, 14501484, 18126855, 24169140, 36253710, 72507420]

約数ペア:

[(1, 72507420), (2, 36253710), (3, 24169140), (4, 18126855), (5, 14501484), (6, 12084570), (9, 8056380), (10, 7250742), (12, 6042285), (15, 4833828), (18, 4028190), (19, 3816180), (20, 3625371), (27, 2685460), (30, 2416914), (36, 2014095), (37, 1959660), (38, 1908090), (45, 1611276), (54, 1342730), (57, 1272060), (60, 1208457), (74, 979830), (76, 954045), (90, 805638), (95, 763236), (108, 671365), (111, 653220), (114, 636030), (135, 537092), (148, 489915), (171, 424020), (180, 402819), (185, 391932), (190, 381618), (191, 379620), (222, 326610), (228, 318015), (270, 268546), (285, 254412), (333, 217740), (342, 212010), (370, 195966), (380, 190809), (382, 189810), (444, 163305), (513, 141340), (540, 134273), (555, 130644), (570, 127206), (573, 126540), (666, 108870), (684, 106005), (703, 103140), (740, 97983), (764, 94905), (855, 84804), (955, 75924), (999, 72580), (1026, 70670), (1110, 65322), (1140, 63603), (1146, 63270), (1332, 54435), (1406, 51570), (1665, 43548), (1710, 42402), (1719, 42180), (1910, 37962), (1998, 36290), (2052, 35335), (2109, 34380), (2220, 32661), (2292, 31635), (2565, 28268), (2812, 25785), (2865, 25308), (3330, 21774), (3420, 21201), (3438, 21090), (3515, 20628), (3629, 19980), (3820, 18981), (3996, 18145), (4218, 17190), (4995, 14516), (5130, 14134), (5157, 14060), (5730, 12654), (6327, 11460), (6660, 10887), (6876, 10545), (7030, 10314), (7067, 10260), (7258, 9990), (8436, 8595)]