1617640960

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3739}}^1$

素因数の和:3788

約数の個数: 120

約数和(自身を含む): 4200969960

約数和(自身を除く): 2583329000

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, 512, 520, 640, 676, 832, 845, 1040, 1280, 1352, 1664, 1690, 2080, 2560, 2704, 3328, 3380, 3739, 4160, 5408, 6656, 6760, 7478, 8320, 10816, 13520, 14956, 16640, 18695, 21632, 27040, 29912, 33280, 37390, 43264, 48607, 54080, 59824, 74780, 86528, 97214, 108160, 119648, 149560, 194428, 216320, 239296, 243035, 299120, 388856, 432640, 478592, 486070, 598240, 631891, 777712, 957184, 972140, 1196480, 1263782, 1555424, 1914368, 1944280, 2392960, 2527564, 3110848, 3159455, 3888560, 4785920, 5055128, 6221696, 6318910, 7777120, 9571840, 10110256, 12443392, 12637820, 15554240, 20220512, 24886784, 25275640, 31108480, 40441024, 50551280, 62216960, 80882048, 101102560, 124433920, 161764096, 202205120, 323528192, 404410240, 808820480, 1617640960]

約数ペア:

[(1, 1617640960), (2, 808820480), (4, 404410240), (5, 323528192), (8, 202205120), (10, 161764096), (13, 124433920), (16, 101102560), (20, 80882048), (26, 62216960), (32, 50551280), (40, 40441024), (52, 31108480), (64, 25275640), (65, 24886784), (80, 20220512), (104, 15554240), (128, 12637820), (130, 12443392), (160, 10110256), (169, 9571840), (208, 7777120), (256, 6318910), (260, 6221696), (320, 5055128), (338, 4785920), (416, 3888560), (512, 3159455), (520, 3110848), (640, 2527564), (676, 2392960), (832, 1944280), (845, 1914368), (1040, 1555424), (1280, 1263782), (1352, 1196480), (1664, 972140), (1690, 957184), (2080, 777712), (2560, 631891), (2704, 598240), (3328, 486070), (3380, 478592), (3739, 432640), (4160, 388856), (5408, 299120), (6656, 243035), (6760, 239296), (7478, 216320), (8320, 194428), (10816, 149560), (13520, 119648), (14956, 108160), (16640, 97214), (18695, 86528), (21632, 74780), (27040, 59824), (29912, 54080), (33280, 48607), (37390, 43264)]