20720349750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{1181}}^1$

素因数の和:1507

約数の個数: 128

約数和(自身を含む): 52441084800

約数和(自身を除く): 31720735050

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 149, 150, 157, 250, 298, 314, 375, 447, 471, 745, 750, 785, 894, 942, 1181, 1490, 1570, 2235, 2355, 2362, 3543, 3725, 3925, 4470, 4710, 5905, 7086, 7450, 7850, 11175, 11775, 11810, 17715, 18625, 19625, 22350, 23393, 23550, 29525, 35430, 37250, 39250, 46786, 55875, 58875, 59050, 70179, 88575, 111750, 116965, 117750, 140358, 147625, 175969, 177150, 185417, 233930, 295250, 350895, 351938, 370834, 442875, 527907, 556251, 584825, 701790, 879845, 885750, 927085, 1055814, 1112502, 1169650, 1754475, 1759690, 1854170, 2639535, 2781255, 2924125, 3508950, 4399225, 4635425, 5279070, 5562510, 5848250, 8772375, 8798450, 9270850, 13197675, 13906275, 17544750, 21996125, 23177125, 26395350, 27627133, 27812550, 43992250, 46354250, 55254266, 65988375, 69531375, 82881399, 131976750, 138135665, 139062750, 165762798, 276271330, 414406995, 690678325, 828813990, 1381356650, 2072034975, 3453391625, 4144069950, 6906783250, 10360174875, 20720349750]

約数ペア:

[(1, 20720349750), (2, 10360174875), (3, 6906783250), (5, 4144069950), (6, 3453391625), (10, 2072034975), (15, 1381356650), (25, 828813990), (30, 690678325), (50, 414406995), (75, 276271330), (125, 165762798), (149, 139062750), (150, 138135665), (157, 131976750), (250, 82881399), (298, 69531375), (314, 65988375), (375, 55254266), (447, 46354250), (471, 43992250), (745, 27812550), (750, 27627133), (785, 26395350), (894, 23177125), (942, 21996125), (1181, 17544750), (1490, 13906275), (1570, 13197675), (2235, 9270850), (2355, 8798450), (2362, 8772375), (3543, 5848250), (3725, 5562510), (3925, 5279070), (4470, 4635425), (4710, 4399225), (5905, 3508950), (7086, 2924125), (7450, 2781255), (7850, 2639535), (11175, 1854170), (11775, 1759690), (11810, 1754475), (17715, 1169650), (18625, 1112502), (19625, 1055814), (22350, 927085), (23393, 885750), (23550, 879845), (29525, 701790), (35430, 584825), (37250, 556251), (39250, 527907), (46786, 442875), (55875, 370834), (58875, 351938), (59050, 350895), (70179, 295250), (88575, 233930), (111750, 185417), (116965, 177150), (117750, 175969), (140358, 147625)]