15673828520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{8737}}^1$

素因数の和:8947

約数の個数: 128

約数和(自身を含む): 41522976000

約数和(自身を除く): 25849147480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 149, 172, 215, 280, 298, 301, 344, 430, 596, 602, 745, 860, 1043, 1192, 1204, 1490, 1505, 1720, 2086, 2408, 2980, 3010, 4172, 5215, 5960, 6020, 6407, 8344, 8737, 10430, 12040, 12814, 17474, 20860, 25628, 32035, 34948, 41720, 43685, 44849, 51256, 61159, 64070, 69896, 87370, 89698, 122318, 128140, 174740, 179396, 224245, 244636, 256280, 305795, 349480, 358792, 375691, 448490, 489272, 611590, 751382, 896980, 1223180, 1301813, 1502764, 1793960, 1878455, 2446360, 2603626, 2629837, 3005528, 3756910, 5207252, 5259674, 6509065, 7513820, 9112691, 10414504, 10519348, 13018130, 13149185, 15027640, 18225382, 21038696, 26036260, 26298370, 36450764, 45563455, 52072520, 52596740, 55977959, 72901528, 91126910, 105193480, 111955918, 182253820, 223911836, 279889795, 364507640, 391845713, 447823672, 559779590, 783691426, 1119559180, 1567382852, 1959228565, 2239118360, 3134765704, 3918457130, 7836914260, 15673828520]

約数ペア:

[(1, 15673828520), (2, 7836914260), (4, 3918457130), (5, 3134765704), (7, 2239118360), (8, 1959228565), (10, 1567382852), (14, 1119559180), (20, 783691426), (28, 559779590), (35, 447823672), (40, 391845713), (43, 364507640), (56, 279889795), (70, 223911836), (86, 182253820), (140, 111955918), (149, 105193480), (172, 91126910), (215, 72901528), (280, 55977959), (298, 52596740), (301, 52072520), (344, 45563455), (430, 36450764), (596, 26298370), (602, 26036260), (745, 21038696), (860, 18225382), (1043, 15027640), (1192, 13149185), (1204, 13018130), (1490, 10519348), (1505, 10414504), (1720, 9112691), (2086, 7513820), (2408, 6509065), (2980, 5259674), (3010, 5207252), (4172, 3756910), (5215, 3005528), (5960, 2629837), (6020, 2603626), (6407, 2446360), (8344, 1878455), (8737, 1793960), (10430, 1502764), (12040, 1301813), (12814, 1223180), (17474, 896980), (20860, 751382), (25628, 611590), (32035, 489272), (34948, 448490), (41720, 375691), (43685, 358792), (44849, 349480), (51256, 305795), (61159, 256280), (64070, 244636), (69896, 224245), (87370, 179396), (89698, 174740), (122318, 128140)]