72828140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 202777344

約数和(自身を除く): 129949204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 131, 133, 140, 154, 190, 209, 220, 262, 266, 308, 361, 380, 385, 418, 524, 532, 655, 665, 722, 770, 836, 917, 1045, 1310, 1330, 1441, 1444, 1463, 1540, 1805, 1834, 2090, 2489, 2527, 2620, 2660, 2882, 2926, 3610, 3668, 3971, 4180, 4585, 4978, 5054, 5764, 5852, 7205, 7220, 7315, 7942, 9170, 9956, 10087, 10108, 12445, 12635, 14410, 14630, 15884, 17423, 18340, 19855, 20174, 24890, 25270, 27379, 27797, 28820, 29260, 34846, 39710, 40348, 47291, 49780, 50435, 50540, 54758, 55594, 69692, 79420, 87115, 94582, 100870, 109516, 111188, 136895, 138985, 174230, 189164, 191653, 201740, 236455, 273790, 277970, 331037, 348460, 383306, 472910, 520201, 547580, 555940, 662074, 766612, 945820, 958265, 1040402, 1324148, 1655185, 1916530, 2080804, 2601005, 3310370, 3641407, 3833060, 5202010, 6620740, 7282814, 10404020, 14565628, 18207035, 36414070, 72828140]

約数ペア:

[(1, 72828140), (2, 36414070), (4, 18207035), (5, 14565628), (7, 10404020), (10, 7282814), (11, 6620740), (14, 5202010), (19, 3833060), (20, 3641407), (22, 3310370), (28, 2601005), (35, 2080804), (38, 1916530), (44, 1655185), (55, 1324148), (70, 1040402), (76, 958265), (77, 945820), (95, 766612), (110, 662074), (131, 555940), (133, 547580), (140, 520201), (154, 472910), (190, 383306), (209, 348460), (220, 331037), (262, 277970), (266, 273790), (308, 236455), (361, 201740), (380, 191653), (385, 189164), (418, 174230), (524, 138985), (532, 136895), (655, 111188), (665, 109516), (722, 100870), (770, 94582), (836, 87115), (917, 79420), (1045, 69692), (1310, 55594), (1330, 54758), (1441, 50540), (1444, 50435), (1463, 49780), (1540, 47291), (1805, 40348), (1834, 39710), (2090, 34846), (2489, 29260), (2527, 28820), (2620, 27797), (2660, 27379), (2882, 25270), (2926, 24890), (3610, 20174), (3668, 19855), (3971, 18340), (4180, 17423), (4585, 15884), (4978, 14630), (5054, 14410), (5764, 12635), (5852, 12445), (7205, 10108), (7220, 10087), (7315, 9956), (7942, 9170)]