642444510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:502

約数の個数: 128

約数和(自身を含む): 1678786560

約数和(自身を除く): 1036342050

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 59, 69, 86, 115, 118, 129, 138, 177, 215, 230, 258, 295, 345, 354, 367, 430, 590, 645, 690, 734, 885, 989, 1101, 1290, 1357, 1770, 1835, 1978, 2202, 2537, 2714, 2967, 3670, 4071, 4945, 5074, 5505, 5934, 6785, 7611, 8142, 8441, 9890, 11010, 12685, 13570, 14835, 15222, 15781, 16882, 20355, 21653, 25323, 25370, 29670, 31562, 38055, 40710, 42205, 43306, 47343, 50646, 58351, 64959, 76110, 78905, 84410, 94686, 108265, 116702, 126615, 129918, 157810, 175053, 216530, 236715, 253230, 291755, 324795, 350106, 362963, 473430, 498019, 583510, 649590, 725926, 875265, 931079, 996038, 1088889, 1494057, 1750530, 1814815, 1862158, 2177778, 2490095, 2793237, 2988114, 3629630, 4655395, 4980190, 5444445, 5586474, 7470285, 9310790, 10888890, 13966185, 14940570, 21414817, 27932370, 42829634, 64244451, 107074085, 128488902, 214148170, 321222255, 642444510]

約数ペア:

[(1, 642444510), (2, 321222255), (3, 214148170), (5, 128488902), (6, 107074085), (10, 64244451), (15, 42829634), (23, 27932370), (30, 21414817), (43, 14940570), (46, 13966185), (59, 10888890), (69, 9310790), (86, 7470285), (115, 5586474), (118, 5444445), (129, 4980190), (138, 4655395), (177, 3629630), (215, 2988114), (230, 2793237), (258, 2490095), (295, 2177778), (345, 1862158), (354, 1814815), (367, 1750530), (430, 1494057), (590, 1088889), (645, 996038), (690, 931079), (734, 875265), (885, 725926), (989, 649590), (1101, 583510), (1290, 498019), (1357, 473430), (1770, 362963), (1835, 350106), (1978, 324795), (2202, 291755), (2537, 253230), (2714, 236715), (2967, 216530), (3670, 175053), (4071, 157810), (4945, 129918), (5074, 126615), (5505, 116702), (5934, 108265), (6785, 94686), (7611, 84410), (8142, 78905), (8441, 76110), (9890, 64959), (11010, 58351), (12685, 50646), (13570, 47343), (14835, 43306), (15222, 42205), (15781, 40710), (16882, 38055), (20355, 31562), (21653, 29670), (25323, 25370)]