28776750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 79387776

約数和(自身を除く): 50611026

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 37, 50, 51, 61, 74, 75, 85, 102, 111, 122, 125, 150, 170, 183, 185, 222, 250, 255, 305, 366, 370, 375, 425, 510, 555, 610, 629, 750, 850, 915, 925, 1037, 1110, 1258, 1275, 1525, 1830, 1850, 1887, 2074, 2125, 2257, 2550, 2775, 3050, 3111, 3145, 3774, 4250, 4514, 4575, 4625, 5185, 5550, 6222, 6290, 6375, 6771, 7625, 9150, 9250, 9435, 10370, 11285, 12750, 13542, 13875, 15250, 15555, 15725, 18870, 22570, 22875, 25925, 27750, 31110, 31450, 33855, 38369, 45750, 47175, 51850, 56425, 67710, 76738, 77775, 78625, 94350, 112850, 115107, 129625, 155550, 157250, 169275, 191845, 230214, 235875, 259250, 282125, 338550, 383690, 388875, 471750, 564250, 575535, 777750, 846375, 959225, 1151070, 1692750, 1918450, 2877675, 4796125, 5755350, 9592250, 14388375, 28776750]

約数ペア:

[(1, 28776750), (2, 14388375), (3, 9592250), (5, 5755350), (6, 4796125), (10, 2877675), (15, 1918450), (17, 1692750), (25, 1151070), (30, 959225), (34, 846375), (37, 777750), (50, 575535), (51, 564250), (61, 471750), (74, 388875), (75, 383690), (85, 338550), (102, 282125), (111, 259250), (122, 235875), (125, 230214), (150, 191845), (170, 169275), (183, 157250), (185, 155550), (222, 129625), (250, 115107), (255, 112850), (305, 94350), (366, 78625), (370, 77775), (375, 76738), (425, 67710), (510, 56425), (555, 51850), (610, 47175), (629, 45750), (750, 38369), (850, 33855), (915, 31450), (925, 31110), (1037, 27750), (1110, 25925), (1258, 22875), (1275, 22570), (1525, 18870), (1830, 15725), (1850, 15555), (1887, 15250), (2074, 13875), (2125, 13542), (2257, 12750), (2550, 11285), (2775, 10370), (3050, 9435), (3111, 9250), (3145, 9150), (3774, 7625), (4250, 6771), (4514, 6375), (4575, 6290), (4625, 6222), (5185, 5550)]