15207814820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1373}}^1$

素因数の和:1626

約数の個数: 144

約数和(自身を含む): 36840787200

約数和(自身を除く): 21632972380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 199, 220, 230, 242, 253, 398, 460, 484, 506, 605, 796, 995, 1012, 1210, 1265, 1373, 1990, 2189, 2420, 2530, 2746, 2783, 3980, 4378, 4577, 5060, 5492, 5566, 6865, 8756, 9154, 10945, 11132, 13730, 13915, 15103, 18308, 21890, 22885, 24079, 27460, 27830, 30206, 31579, 43780, 45770, 48158, 50347, 55660, 60412, 63158, 75515, 91540, 96316, 100694, 120395, 126316, 151030, 157895, 166133, 201388, 240790, 251735, 273227, 302060, 315790, 332266, 347369, 481580, 503470, 546454, 553817, 631580, 664532, 694738, 830665, 1006940, 1092908, 1107634, 1366135, 1389476, 1661330, 1736845, 2215268, 2732270, 2769085, 3005497, 3322660, 3473690, 3821059, 5464540, 5538170, 6010994, 6284221, 6947380, 7642118, 11076340, 12021988, 12568442, 15027485, 15284236, 19105295, 25136884, 30054970, 31421105, 33060467, 38210590, 60109940, 62842210, 66120934, 69126431, 76421180, 125684420, 132241868, 138252862, 165302335, 276505724, 330604670, 345632155, 661209340, 691264310, 760390741, 1382528620, 1520781482, 3041562964, 3801953705, 7603907410, 15207814820]

約数ペア:

[(1, 15207814820), (2, 7603907410), (4, 3801953705), (5, 3041562964), (10, 1520781482), (11, 1382528620), (20, 760390741), (22, 691264310), (23, 661209340), (44, 345632155), (46, 330604670), (55, 276505724), (92, 165302335), (110, 138252862), (115, 132241868), (121, 125684420), (199, 76421180), (220, 69126431), (230, 66120934), (242, 62842210), (253, 60109940), (398, 38210590), (460, 33060467), (484, 31421105), (506, 30054970), (605, 25136884), (796, 19105295), (995, 15284236), (1012, 15027485), (1210, 12568442), (1265, 12021988), (1373, 11076340), (1990, 7642118), (2189, 6947380), (2420, 6284221), (2530, 6010994), (2746, 5538170), (2783, 5464540), (3980, 3821059), (4378, 3473690), (4577, 3322660), (5060, 3005497), (5492, 2769085), (5566, 2732270), (6865, 2215268), (8756, 1736845), (9154, 1661330), (10945, 1389476), (11132, 1366135), (13730, 1107634), (13915, 1092908), (15103, 1006940), (18308, 830665), (21890, 694738), (22885, 664532), (24079, 631580), (27460, 553817), (27830, 546454), (30206, 503470), (31579, 481580), (43780, 347369), (45770, 332266), (48158, 315790), (50347, 302060), (55660, 273227), (60412, 251735), (63158, 240790), (75515, 201388), (91540, 166133), (96316, 157895), (100694, 151030), (120395, 126316)]