220728060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5651}}^1$

素因数の和:5704

約数の個数: 144

約数和(自身を含む): 790013952

約数和(自身を除く): 569285892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 5651, 6510, 7812, 9765, 11302, 13020, 16953, 19530, 22604, 28255, 33906, 39060, 39557, 50859, 56510, 67812, 79114, 84765, 101718, 113020, 118671, 158228, 169530, 175181, 197785, 203436, 237342, 254295, 339060, 350362, 356013, 395570, 474684, 508590, 525543, 593355, 700724, 712026, 791140, 875905, 1017180, 1051086, 1186710, 1226267, 1424052, 1576629, 1751810, 1780065, 2102172, 2373420, 2452534, 2627715, 3153258, 3503620, 3560130, 3678801, 4905068, 5255430, 6131335, 6306516, 7120260, 7357602, 7883145, 10510860, 11036403, 12262670, 14715204, 15766290, 18394005, 22072806, 24525340, 31532580, 36788010, 44145612, 55182015, 73576020, 110364030, 220728060]

約数ペア:

[(1, 220728060), (2, 110364030), (3, 73576020), (4, 55182015), (5, 44145612), (6, 36788010), (7, 31532580), (9, 24525340), (10, 22072806), (12, 18394005), (14, 15766290), (15, 14715204), (18, 12262670), (20, 11036403), (21, 10510860), (28, 7883145), (30, 7357602), (31, 7120260), (35, 6306516), (36, 6131335), (42, 5255430), (45, 4905068), (60, 3678801), (62, 3560130), (63, 3503620), (70, 3153258), (84, 2627715), (90, 2452534), (93, 2373420), (105, 2102172), (124, 1780065), (126, 1751810), (140, 1576629), (155, 1424052), (180, 1226267), (186, 1186710), (210, 1051086), (217, 1017180), (252, 875905), (279, 791140), (310, 712026), (315, 700724), (372, 593355), (420, 525543), (434, 508590), (465, 474684), (558, 395570), (620, 356013), (630, 350362), (651, 339060), (868, 254295), (930, 237342), (1085, 203436), (1116, 197785), (1260, 175181), (1302, 169530), (1395, 158228), (1860, 118671), (1953, 113020), (2170, 101718), (2604, 84765), (2790, 79114), (3255, 67812), (3906, 56510), (4340, 50859), (5580, 39557), (5651, 39060), (6510, 33906), (7812, 28255), (9765, 22604), (11302, 19530), (13020, 16953)]