515157760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 1348500384

約数和(自身を除く): 833342624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 128, 130, 160, 166, 208, 256, 260, 320, 332, 373, 415, 416, 520, 640, 664, 746, 830, 832, 1040, 1079, 1280, 1328, 1492, 1660, 1664, 1865, 2080, 2158, 2656, 2984, 3320, 3328, 3730, 4160, 4316, 4849, 5312, 5395, 5968, 6640, 7460, 8320, 8632, 9698, 10624, 10790, 11936, 13280, 14920, 16640, 17264, 19396, 21248, 21580, 23872, 24245, 26560, 29840, 30959, 34528, 38792, 43160, 47744, 48490, 53120, 59680, 61918, 69056, 77584, 86320, 95488, 96980, 106240, 119360, 123836, 138112, 154795, 155168, 172640, 193960, 238720, 247672, 276224, 309590, 310336, 345280, 387920, 402467, 477440, 495344, 619180, 620672, 690560, 775840, 804934, 990688, 1238360, 1241344, 1381120, 1551680, 1609868, 1981376, 2012335, 2476720, 3103360, 3219736, 3962752, 4024670, 4953440, 6206720, 6439472, 7925504, 8049340, 9906880, 12878944, 16098680, 19813760, 25757888, 32197360, 39627520, 51515776, 64394720, 103031552, 128789440, 257578880, 515157760]

約数ペア:

[(1, 515157760), (2, 257578880), (4, 128789440), (5, 103031552), (8, 64394720), (10, 51515776), (13, 39627520), (16, 32197360), (20, 25757888), (26, 19813760), (32, 16098680), (40, 12878944), (52, 9906880), (64, 8049340), (65, 7925504), (80, 6439472), (83, 6206720), (104, 4953440), (128, 4024670), (130, 3962752), (160, 3219736), (166, 3103360), (208, 2476720), (256, 2012335), (260, 1981376), (320, 1609868), (332, 1551680), (373, 1381120), (415, 1241344), (416, 1238360), (520, 990688), (640, 804934), (664, 775840), (746, 690560), (830, 620672), (832, 619180), (1040, 495344), (1079, 477440), (1280, 402467), (1328, 387920), (1492, 345280), (1660, 310336), (1664, 309590), (1865, 276224), (2080, 247672), (2158, 238720), (2656, 193960), (2984, 172640), (3320, 155168), (3328, 154795), (3730, 138112), (4160, 123836), (4316, 119360), (4849, 106240), (5312, 96980), (5395, 95488), (5968, 86320), (6640, 77584), (7460, 69056), (8320, 61918), (8632, 59680), (9698, 53120), (10624, 48490), (10790, 47744), (11936, 43160), (13280, 38792), (14920, 34528), (16640, 30959), (17264, 29840), (19396, 26560), (21248, 24245), (21580, 23872)]