17881280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 112

約数和(自身を含む): 47731680

約数和(自身を除く): 29850400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 136, 152, 160, 170, 173, 190, 272, 304, 320, 323, 340, 346, 380, 544, 608, 646, 680, 692, 760, 865, 1088, 1216, 1292, 1360, 1384, 1520, 1615, 1730, 2584, 2720, 2768, 2941, 3040, 3230, 3287, 3460, 5168, 5440, 5536, 5882, 6080, 6460, 6574, 6920, 10336, 11072, 11764, 12920, 13148, 13840, 14705, 16435, 20672, 23528, 25840, 26296, 27680, 29410, 32870, 47056, 51680, 52592, 55360, 55879, 58820, 65740, 94112, 103360, 105184, 111758, 117640, 131480, 188224, 210368, 223516, 235280, 262960, 279395, 447032, 470560, 525920, 558790, 894064, 941120, 1051840, 1117580, 1788128, 2235160, 3576256, 4470320, 8940640, 17881280]

約数ペア:

[(1, 17881280), (2, 8940640), (4, 4470320), (5, 3576256), (8, 2235160), (10, 1788128), (16, 1117580), (17, 1051840), (19, 941120), (20, 894064), (32, 558790), (34, 525920), (38, 470560), (40, 447032), (64, 279395), (68, 262960), (76, 235280), (80, 223516), (85, 210368), (95, 188224), (136, 131480), (152, 117640), (160, 111758), (170, 105184), (173, 103360), (190, 94112), (272, 65740), (304, 58820), (320, 55879), (323, 55360), (340, 52592), (346, 51680), (380, 47056), (544, 32870), (608, 29410), (646, 27680), (680, 26296), (692, 25840), (760, 23528), (865, 20672), (1088, 16435), (1216, 14705), (1292, 13840), (1360, 13148), (1384, 12920), (1520, 11764), (1615, 11072), (1730, 10336), (2584, 6920), (2720, 6574), (2768, 6460), (2941, 6080), (3040, 5882), (3230, 5536), (3287, 5440), (3460, 5168)]