31269440

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 112

約数和(自身を含む): 81076800

約数和(自身を除く): 49807360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 139, 148, 152, 160, 185, 190, 278, 296, 304, 320, 370, 380, 556, 592, 608, 695, 703, 740, 760, 1112, 1184, 1216, 1390, 1406, 1480, 1520, 2224, 2368, 2641, 2780, 2812, 2960, 3040, 3515, 4448, 5143, 5282, 5560, 5624, 5920, 6080, 7030, 8896, 10286, 10564, 11120, 11248, 11840, 13205, 14060, 20572, 21128, 22240, 22496, 25715, 26410, 28120, 41144, 42256, 44480, 44992, 51430, 52820, 56240, 82288, 84512, 97717, 102860, 105640, 112480, 164576, 169024, 195434, 205720, 211280, 224960, 329152, 390868, 411440, 422560, 488585, 781736, 822880, 845120, 977170, 1563472, 1645760, 1954340, 3126944, 3908680, 6253888, 7817360, 15634720, 31269440]

約数ペア:

[(1, 31269440), (2, 15634720), (4, 7817360), (5, 6253888), (8, 3908680), (10, 3126944), (16, 1954340), (19, 1645760), (20, 1563472), (32, 977170), (37, 845120), (38, 822880), (40, 781736), (64, 488585), (74, 422560), (76, 411440), (80, 390868), (95, 329152), (139, 224960), (148, 211280), (152, 205720), (160, 195434), (185, 169024), (190, 164576), (278, 112480), (296, 105640), (304, 102860), (320, 97717), (370, 84512), (380, 82288), (556, 56240), (592, 52820), (608, 51430), (695, 44992), (703, 44480), (740, 42256), (760, 41144), (1112, 28120), (1184, 26410), (1216, 25715), (1390, 22496), (1406, 22240), (1480, 21128), (1520, 20572), (2224, 14060), (2368, 13205), (2641, 11840), (2780, 11248), (2812, 11120), (2960, 10564), (3040, 10286), (3515, 8896), (4448, 7030), (5143, 6080), (5282, 5920), (5560, 5624)]