28424340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1327}}^1$

素因数の和:1366

約数の個数: 144

約数和(自身を含む): 104412672

約数和(自身を除く): 75988332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1327, 1428, 1530, 1785, 2142, 2380, 2654, 3060, 3570, 3981, 4284, 5308, 5355, 6635, 7140, 7962, 9289, 10710, 11943, 13270, 15924, 18578, 19905, 21420, 22559, 23886, 26540, 27867, 37156, 39810, 45118, 46445, 47772, 55734, 59715, 67677, 79620, 83601, 90236, 92890, 111468, 112795, 119430, 135354, 139335, 157913, 167202, 185780, 203031, 225590, 238860, 270708, 278670, 315826, 334404, 338385, 406062, 418005, 451180, 473739, 557340, 631652, 676770, 789565, 812124, 836010, 947478, 1015155, 1353540, 1421217, 1579130, 1672020, 1894956, 2030310, 2368695, 2842434, 3158260, 4060620, 4737390, 5684868, 7106085, 9474780, 14212170, 28424340]

約数ペア:

[(1, 28424340), (2, 14212170), (3, 9474780), (4, 7106085), (5, 5684868), (6, 4737390), (7, 4060620), (9, 3158260), (10, 2842434), (12, 2368695), (14, 2030310), (15, 1894956), (17, 1672020), (18, 1579130), (20, 1421217), (21, 1353540), (28, 1015155), (30, 947478), (34, 836010), (35, 812124), (36, 789565), (42, 676770), (45, 631652), (51, 557340), (60, 473739), (63, 451180), (68, 418005), (70, 406062), (84, 338385), (85, 334404), (90, 315826), (102, 278670), (105, 270708), (119, 238860), (126, 225590), (140, 203031), (153, 185780), (170, 167202), (180, 157913), (204, 139335), (210, 135354), (238, 119430), (252, 112795), (255, 111468), (306, 92890), (315, 90236), (340, 83601), (357, 79620), (420, 67677), (476, 59715), (510, 55734), (595, 47772), (612, 46445), (630, 45118), (714, 39810), (765, 37156), (1020, 27867), (1071, 26540), (1190, 23886), (1260, 22559), (1327, 21420), (1428, 19905), (1530, 18578), (1785, 15924), (2142, 13270), (2380, 11943), (2654, 10710), (3060, 9289), (3570, 7962), (3981, 7140), (4284, 6635), (5308, 5355)]