1280152020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4373}}^1$

素因数の和:4450

約数の個数: 192

約数和(自身を含む): 4444263936

約数和(自身を除く): 3164111916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 41, 42, 51, 60, 68, 70, 82, 84, 85, 102, 105, 119, 123, 140, 164, 170, 204, 205, 210, 238, 246, 255, 287, 340, 357, 410, 420, 476, 492, 510, 574, 595, 615, 697, 714, 820, 861, 1020, 1148, 1190, 1230, 1394, 1428, 1435, 1722, 1785, 2091, 2380, 2460, 2788, 2870, 3444, 3485, 3570, 4182, 4305, 4373, 4879, 5740, 6970, 7140, 8364, 8610, 8746, 9758, 10455, 13119, 13940, 14637, 17220, 17492, 19516, 20910, 21865, 24395, 26238, 29274, 30611, 41820, 43730, 48790, 52476, 58548, 61222, 65595, 73185, 74341, 87460, 91833, 97580, 122444, 131190, 146370, 148682, 153055, 179293, 183666, 223023, 262380, 292740, 297364, 306110, 358586, 367332, 371705, 446046, 459165, 520387, 537879, 612220, 717172, 743410, 892092, 896465, 918330, 1040774, 1075758, 1115115, 1255051, 1486820, 1561161, 1792930, 1836660, 2081548, 2151516, 2230230, 2510102, 2601935, 2689395, 3047981, 3122322, 3585860, 3765153, 4460460, 5020204, 5203870, 5378790, 6095962, 6244644, 6275255, 7530306, 7805805, 9143943, 10407740, 10757580, 12191924, 12550510, 15060612, 15239905, 15611610, 18287886, 18825765, 21335867, 25101020, 30479810, 31223220, 36575772, 37651530, 42671734, 45719715, 60959620, 64007601, 75303060, 85343468, 91439430, 106679335, 128015202, 182878860, 213358670, 256030404, 320038005, 426717340, 640076010, 1280152020]

約数ペア:

[(1, 1280152020), (2, 640076010), (3, 426717340), (4, 320038005), (5, 256030404), (6, 213358670), (7, 182878860), (10, 128015202), (12, 106679335), (14, 91439430), (15, 85343468), (17, 75303060), (20, 64007601), (21, 60959620), (28, 45719715), (30, 42671734), (34, 37651530), (35, 36575772), (41, 31223220), (42, 30479810), (51, 25101020), (60, 21335867), (68, 18825765), (70, 18287886), (82, 15611610), (84, 15239905), (85, 15060612), (102, 12550510), (105, 12191924), (119, 10757580), (123, 10407740), (140, 9143943), (164, 7805805), (170, 7530306), (204, 6275255), (205, 6244644), (210, 6095962), (238, 5378790), (246, 5203870), (255, 5020204), (287, 4460460), (340, 3765153), (357, 3585860), (410, 3122322), (420, 3047981), (476, 2689395), (492, 2601935), (510, 2510102), (574, 2230230), (595, 2151516), (615, 2081548), (697, 1836660), (714, 1792930), (820, 1561161), (861, 1486820), (1020, 1255051), (1148, 1115115), (1190, 1075758), (1230, 1040774), (1394, 918330), (1428, 896465), (1435, 892092), (1722, 743410), (1785, 717172), (2091, 612220), (2380, 537879), (2460, 520387), (2788, 459165), (2870, 446046), (3444, 371705), (3485, 367332), (3570, 358586), (4182, 306110), (4305, 297364), (4373, 292740), (4879, 262380), (5740, 223023), (6970, 183666), (7140, 179293), (8364, 153055), (8610, 148682), (8746, 146370), (9758, 131190), (10455, 122444), (13119, 97580), (13940, 91833), (14637, 87460), (17220, 74341), (17492, 73185), (19516, 65595), (20910, 61222), (21865, 58548), (24395, 52476), (26238, 48790), (29274, 43730), (30611, 41820)]