142987520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 108

約数和(自身を含む): 371433636

約数和(自身を除く): 228446116

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 520, 640, 661, 676, 832, 845, 1040, 1280, 1322, 1352, 1664, 1690, 2080, 2644, 2704, 3305, 3328, 3380, 4160, 5288, 5408, 6610, 6760, 8320, 8593, 10576, 10816, 13220, 13520, 16640, 17186, 21152, 21632, 26440, 27040, 34372, 42304, 42965, 43264, 52880, 54080, 68744, 84608, 85930, 105760, 108160, 111709, 137488, 169216, 171860, 211520, 216320, 223418, 274976, 343720, 423040, 446836, 549952, 558545, 687440, 846080, 893672, 1099904, 1117090, 1374880, 1787344, 2199808, 2234180, 2749760, 3574688, 4468360, 5499520, 7149376, 8936720, 10999040, 14298752, 17873440, 28597504, 35746880, 71493760, 142987520]

約数ペア:

[(1, 142987520), (2, 71493760), (4, 35746880), (5, 28597504), (8, 17873440), (10, 14298752), (13, 10999040), (16, 8936720), (20, 7149376), (26, 5499520), (32, 4468360), (40, 3574688), (52, 2749760), (64, 2234180), (65, 2199808), (80, 1787344), (104, 1374880), (128, 1117090), (130, 1099904), (160, 893672), (169, 846080), (208, 687440), (256, 558545), (260, 549952), (320, 446836), (338, 423040), (416, 343720), (520, 274976), (640, 223418), (661, 216320), (676, 211520), (832, 171860), (845, 169216), (1040, 137488), (1280, 111709), (1322, 108160), (1352, 105760), (1664, 85930), (1690, 84608), (2080, 68744), (2644, 54080), (2704, 52880), (3305, 43264), (3328, 42965), (3380, 42304), (4160, 34372), (5288, 27040), (5408, 26440), (6610, 21632), (6760, 21152), (8320, 17186), (8593, 16640), (10576, 13520), (10816, 13220)]