72981480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4253}}^1$

素因数の和:4291

約数の個数: 128

約数和(自身を含む): 257281920

約数和(自身を除く): 184300440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4253, 4290, 5720, 8506, 8580, 12759, 17012, 17160, 21265, 25518, 34024, 42530, 46783, 51036, 55289, 63795, 85060, 93566, 102072, 110578, 127590, 140349, 165867, 170120, 187132, 221156, 233915, 255180, 276445, 280698, 331734, 374264, 442312, 467830, 510360, 552890, 561396, 608179, 663468, 701745, 829335, 935660, 1105780, 1122792, 1216358, 1326936, 1403490, 1658670, 1824537, 1871320, 2211560, 2432716, 2806980, 3040895, 3317340, 3649074, 4865432, 5613960, 6081790, 6634680, 7298148, 9122685, 12163580, 14596296, 18245370, 24327160, 36490740, 72981480]

約数ペア:

[(1, 72981480), (2, 36490740), (3, 24327160), (4, 18245370), (5, 14596296), (6, 12163580), (8, 9122685), (10, 7298148), (11, 6634680), (12, 6081790), (13, 5613960), (15, 4865432), (20, 3649074), (22, 3317340), (24, 3040895), (26, 2806980), (30, 2432716), (33, 2211560), (39, 1871320), (40, 1824537), (44, 1658670), (52, 1403490), (55, 1326936), (60, 1216358), (65, 1122792), (66, 1105780), (78, 935660), (88, 829335), (104, 701745), (110, 663468), (120, 608179), (130, 561396), (132, 552890), (143, 510360), (156, 467830), (165, 442312), (195, 374264), (220, 331734), (260, 280698), (264, 276445), (286, 255180), (312, 233915), (330, 221156), (390, 187132), (429, 170120), (440, 165867), (520, 140349), (572, 127590), (660, 110578), (715, 102072), (780, 93566), (858, 85060), (1144, 63795), (1320, 55289), (1430, 51036), (1560, 46783), (1716, 42530), (2145, 34024), (2860, 25518), (3432, 21265), (4253, 17160), (4290, 17012), (5720, 12759), (8506, 8580)]