15750540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 52835328

約数和(自身を除く): 37084788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 127, 130, 156, 159, 180, 195, 212, 234, 254, 260, 265, 318, 381, 390, 468, 477, 508, 530, 585, 635, 636, 689, 762, 780, 795, 954, 1060, 1143, 1170, 1270, 1378, 1524, 1590, 1651, 1905, 1908, 2067, 2286, 2340, 2385, 2540, 2756, 3180, 3302, 3445, 3810, 4134, 4572, 4770, 4953, 5715, 6201, 6604, 6731, 6890, 7620, 8255, 8268, 9540, 9906, 10335, 11430, 12402, 13462, 13780, 14859, 16510, 19812, 20193, 20670, 22860, 24765, 24804, 26924, 29718, 31005, 33020, 33655, 40386, 41340, 49530, 59436, 60579, 62010, 67310, 74295, 80772, 87503, 99060, 100965, 121158, 124020, 134620, 148590, 175006, 201930, 242316, 262509, 297180, 302895, 350012, 403860, 437515, 525018, 605790, 787527, 875030, 1050036, 1211580, 1312545, 1575054, 1750060, 2625090, 3150108, 3937635, 5250180, 7875270, 15750540]

約数ペア:

[(1, 15750540), (2, 7875270), (3, 5250180), (4, 3937635), (5, 3150108), (6, 2625090), (9, 1750060), (10, 1575054), (12, 1312545), (13, 1211580), (15, 1050036), (18, 875030), (20, 787527), (26, 605790), (30, 525018), (36, 437515), (39, 403860), (45, 350012), (52, 302895), (53, 297180), (60, 262509), (65, 242316), (78, 201930), (90, 175006), (106, 148590), (117, 134620), (127, 124020), (130, 121158), (156, 100965), (159, 99060), (180, 87503), (195, 80772), (212, 74295), (234, 67310), (254, 62010), (260, 60579), (265, 59436), (318, 49530), (381, 41340), (390, 40386), (468, 33655), (477, 33020), (508, 31005), (530, 29718), (585, 26924), (635, 24804), (636, 24765), (689, 22860), (762, 20670), (780, 20193), (795, 19812), (954, 16510), (1060, 14859), (1143, 13780), (1170, 13462), (1270, 12402), (1378, 11430), (1524, 10335), (1590, 9906), (1651, 9540), (1905, 8268), (1908, 8255), (2067, 7620), (2286, 6890), (2340, 6731), (2385, 6604), (2540, 6201), (2756, 5715), (3180, 4953), (3302, 4770), (3445, 4572), (3810, 4134)]