15609640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 39502080

約数和(自身を除く): 23892440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 47, 76, 92, 94, 95, 115, 152, 184, 188, 190, 230, 235, 361, 376, 380, 437, 460, 470, 722, 760, 874, 893, 920, 940, 1081, 1444, 1748, 1786, 1805, 1880, 2162, 2185, 2888, 3496, 3572, 3610, 4324, 4370, 4465, 5405, 7144, 7220, 8303, 8648, 8740, 8930, 10810, 14440, 16606, 16967, 17480, 17860, 20539, 21620, 33212, 33934, 35720, 41078, 41515, 43240, 66424, 67868, 82156, 83030, 84835, 102695, 135736, 164312, 166060, 169670, 205390, 332120, 339340, 390241, 410780, 678680, 780482, 821560, 1560964, 1951205, 3121928, 3902410, 7804820, 15609640]

約数ペア:

[(1, 15609640), (2, 7804820), (4, 3902410), (5, 3121928), (8, 1951205), (10, 1560964), (19, 821560), (20, 780482), (23, 678680), (38, 410780), (40, 390241), (46, 339340), (47, 332120), (76, 205390), (92, 169670), (94, 166060), (95, 164312), (115, 135736), (152, 102695), (184, 84835), (188, 83030), (190, 82156), (230, 67868), (235, 66424), (361, 43240), (376, 41515), (380, 41078), (437, 35720), (460, 33934), (470, 33212), (722, 21620), (760, 20539), (874, 17860), (893, 17480), (920, 16967), (940, 16606), (1081, 14440), (1444, 10810), (1748, 8930), (1786, 8740), (1805, 8648), (1880, 8303), (2162, 7220), (2185, 7144), (2888, 5405), (3496, 4465), (3572, 4370), (3610, 4324)]