2628917720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2333}}^1$

素因数の和:2565

約数の個数: 128

約数和(自身を含む): 6987435840

約数和(自身を除く): 4358518120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 197, 220, 260, 286, 394, 440, 520, 572, 715, 788, 985, 1144, 1430, 1576, 1970, 2167, 2333, 2561, 2860, 3940, 4334, 4666, 5122, 5720, 7880, 8668, 9332, 10244, 10835, 11665, 12805, 17336, 18664, 20488, 21670, 23330, 25610, 25663, 28171, 30329, 43340, 46660, 51220, 51326, 56342, 60658, 86680, 93320, 102440, 102652, 112684, 121316, 128315, 140855, 151645, 205304, 225368, 242632, 256630, 281710, 303290, 333619, 459601, 513260, 563420, 606580, 667238, 919202, 1026520, 1126840, 1213160, 1334476, 1668095, 1838404, 2298005, 2668952, 3336190, 3676808, 4596010, 5055611, 5974813, 6672380, 9192020, 10111222, 11949626, 13344760, 18384040, 20222444, 23899252, 25278055, 29874065, 40444888, 47798504, 50556110, 59748130, 65722943, 101112220, 119496260, 131445886, 202224440, 238992520, 262891772, 328614715, 525783544, 657229430, 1314458860, 2628917720]

約数ペア:

[(1, 2628917720), (2, 1314458860), (4, 657229430), (5, 525783544), (8, 328614715), (10, 262891772), (11, 238992520), (13, 202224440), (20, 131445886), (22, 119496260), (26, 101112220), (40, 65722943), (44, 59748130), (52, 50556110), (55, 47798504), (65, 40444888), (88, 29874065), (104, 25278055), (110, 23899252), (130, 20222444), (143, 18384040), (197, 13344760), (220, 11949626), (260, 10111222), (286, 9192020), (394, 6672380), (440, 5974813), (520, 5055611), (572, 4596010), (715, 3676808), (788, 3336190), (985, 2668952), (1144, 2298005), (1430, 1838404), (1576, 1668095), (1970, 1334476), (2167, 1213160), (2333, 1126840), (2561, 1026520), (2860, 919202), (3940, 667238), (4334, 606580), (4666, 563420), (5122, 513260), (5720, 459601), (7880, 333619), (8668, 303290), (9332, 281710), (10244, 256630), (10835, 242632), (11665, 225368), (12805, 205304), (17336, 151645), (18664, 140855), (20488, 128315), (21670, 121316), (23330, 112684), (25610, 102652), (25663, 102440), (28171, 93320), (30329, 86680), (43340, 60658), (46660, 56342), (51220, 51326)]