71775540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:742

約数の個数: 144

約数和(自身を含む): 236920320

約数和(自身を除く): 165144780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 677, 684, 855, 930, 1116, 1140, 1178, 1354, 1395, 1710, 1767, 1860, 2031, 2356, 2708, 2790, 2945, 3385, 3420, 3534, 4062, 5301, 5580, 5890, 6093, 6770, 7068, 8124, 8835, 10155, 10602, 11780, 12186, 12863, 13540, 17670, 20310, 20987, 21204, 24372, 25726, 26505, 30465, 35340, 38589, 40620, 41974, 51452, 53010, 60930, 62961, 64315, 77178, 83948, 104935, 106020, 115767, 121860, 125922, 128630, 154356, 188883, 192945, 209870, 231534, 251844, 257260, 314805, 377766, 385890, 398753, 419740, 463068, 578835, 629610, 755532, 771780, 797506, 944415, 1157670, 1196259, 1259220, 1595012, 1888830, 1993765, 2315340, 2392518, 3588777, 3777660, 3987530, 4785036, 5981295, 7177554, 7975060, 11962590, 14355108, 17943885, 23925180, 35887770, 71775540]

約数ペア:

[(1, 71775540), (2, 35887770), (3, 23925180), (4, 17943885), (5, 14355108), (6, 11962590), (9, 7975060), (10, 7177554), (12, 5981295), (15, 4785036), (18, 3987530), (19, 3777660), (20, 3588777), (30, 2392518), (31, 2315340), (36, 1993765), (38, 1888830), (45, 1595012), (57, 1259220), (60, 1196259), (62, 1157670), (76, 944415), (90, 797506), (93, 771780), (95, 755532), (114, 629610), (124, 578835), (155, 463068), (171, 419740), (180, 398753), (186, 385890), (190, 377766), (228, 314805), (279, 257260), (285, 251844), (310, 231534), (342, 209870), (372, 192945), (380, 188883), (465, 154356), (558, 128630), (570, 125922), (589, 121860), (620, 115767), (677, 106020), (684, 104935), (855, 83948), (930, 77178), (1116, 64315), (1140, 62961), (1178, 60930), (1354, 53010), (1395, 51452), (1710, 41974), (1767, 40620), (1860, 38589), (2031, 35340), (2356, 30465), (2708, 26505), (2790, 25726), (2945, 24372), (3385, 21204), (3420, 20987), (3534, 20310), (4062, 17670), (5301, 13540), (5580, 12863), (5890, 12186), (6093, 11780), (6770, 10602), (7068, 10155), (8124, 8835)]