1781044314880

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81849463}}^1$

素因数の和:81849501

約数の個数: 72

約数和(自身を含む): 4517108219232

約数和(自身を除く): 2736063904352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 21760, 81849463, 163698926, 327397852, 409247315, 654795704, 818494630, 1309591408, 1391440871, 1636989260, 2619182816, 2782881742, 3273978520, 5238365632, 5565763484, 6547957040, 6957204355, 10476731264, 11131526968, 13095914080, 13914408710, 20953462528, 22263053936, 26191828160, 27828817420, 44526107872, 52383656320, 55657634840, 89052215744, 104767312640, 111315269680, 178104431488, 222630539360, 356208862976, 445261078720, 890522157440, 1781044314880]

約数ペア:

[(1, 1781044314880), (2, 890522157440), (4, 445261078720), (5, 356208862976), (8, 222630539360), (10, 178104431488), (16, 111315269680), (17, 104767312640), (20, 89052215744), (32, 55657634840), (34, 52383656320), (40, 44526107872), (64, 27828817420), (68, 26191828160), (80, 22263053936), (85, 20953462528), (128, 13914408710), (136, 13095914080), (160, 11131526968), (170, 10476731264), (256, 6957204355), (272, 6547957040), (320, 5565763484), (340, 5238365632), (544, 3273978520), (640, 2782881742), (680, 2619182816), (1088, 1636989260), (1280, 1391440871), (1360, 1309591408), (2176, 818494630), (2720, 654795704), (4352, 409247315), (5440, 327397852), (10880, 163698926), (21760, 81849463)]