247288020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15913}}^1$

素因数の和:15969

約数の個数: 96

約数和(自身を含む): 812759808

約数和(自身を除く): 565471788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 5180, 7770, 15540, 15913, 31826, 47739, 63652, 79565, 95478, 111391, 159130, 190956, 222782, 238695, 318260, 334173, 445564, 477390, 556955, 588781, 668346, 954780, 1113910, 1177562, 1336692, 1670865, 1766343, 2227820, 2355124, 2943905, 3341730, 3532686, 4121467, 5887810, 6683460, 7065372, 8242934, 8831715, 11775620, 12364401, 16485868, 17663430, 20607335, 24728802, 35326860, 41214670, 49457604, 61822005, 82429340, 123644010, 247288020]

約数ペア:

[(1, 247288020), (2, 123644010), (3, 82429340), (4, 61822005), (5, 49457604), (6, 41214670), (7, 35326860), (10, 24728802), (12, 20607335), (14, 17663430), (15, 16485868), (20, 12364401), (21, 11775620), (28, 8831715), (30, 8242934), (35, 7065372), (37, 6683460), (42, 5887810), (60, 4121467), (70, 3532686), (74, 3341730), (84, 2943905), (105, 2355124), (111, 2227820), (140, 1766343), (148, 1670865), (185, 1336692), (210, 1177562), (222, 1113910), (259, 954780), (370, 668346), (420, 588781), (444, 556955), (518, 477390), (555, 445564), (740, 334173), (777, 318260), (1036, 238695), (1110, 222782), (1295, 190956), (1554, 159130), (2220, 111391), (2590, 95478), (3108, 79565), (3885, 63652), (5180, 47739), (7770, 31826), (15540, 15913)]