163215320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 395020800

約数和(自身を除く): 231805480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 127, 152, 178, 190, 254, 356, 361, 380, 445, 508, 635, 712, 722, 760, 890, 1016, 1270, 1444, 1691, 1780, 1805, 2413, 2540, 2888, 3382, 3560, 3610, 4826, 5080, 6764, 7220, 8455, 9652, 11303, 12065, 13528, 14440, 16910, 19304, 22606, 24130, 32129, 33820, 45212, 45847, 48260, 56515, 64258, 67640, 90424, 91694, 96520, 113030, 128516, 160645, 183388, 214757, 226060, 229235, 257032, 321290, 366776, 429514, 452120, 458470, 642580, 859028, 916940, 1073785, 1285160, 1718056, 1833880, 2147570, 4080383, 4295140, 8160766, 8590280, 16321532, 20401915, 32643064, 40803830, 81607660, 163215320]

約数ペア:

[(1, 163215320), (2, 81607660), (4, 40803830), (5, 32643064), (8, 20401915), (10, 16321532), (19, 8590280), (20, 8160766), (38, 4295140), (40, 4080383), (76, 2147570), (89, 1833880), (95, 1718056), (127, 1285160), (152, 1073785), (178, 916940), (190, 859028), (254, 642580), (356, 458470), (361, 452120), (380, 429514), (445, 366776), (508, 321290), (635, 257032), (712, 229235), (722, 226060), (760, 214757), (890, 183388), (1016, 160645), (1270, 128516), (1444, 113030), (1691, 96520), (1780, 91694), (1805, 90424), (2413, 67640), (2540, 64258), (2888, 56515), (3382, 48260), (3560, 45847), (3610, 45212), (4826, 33820), (5080, 32129), (6764, 24130), (7220, 22606), (8455, 19304), (9652, 16910), (11303, 14440), (12065, 13528)]