20144986875

素因数分解:

$3^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:672

約数の個数: 160

約数和(自身を含む): 40438305600

約数和(自身を除く): 20293318725

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 229, 325, 351, 375, 401, 585, 625, 675, 687, 975, 1125, 1145, 1203, 1625, 1755, 1875, 2005, 2061, 2925, 2977, 3375, 3435, 3609, 4875, 5213, 5625, 5725, 6015, 6183, 8125, 8775, 8931, 10025, 10305, 10827, 14625, 14885, 15639, 16875, 17175, 18045, 24375, 26065, 26793, 28625, 30075, 30915, 43875, 44655, 46917, 50125, 51525, 54135, 73125, 74425, 78195, 80379, 85875, 90225, 91829, 130325, 133965, 140751, 143125, 150375, 154575, 219375, 223275, 234585, 250625, 257625, 270675, 275487, 372125, 390975, 401895, 429375, 451125, 459145, 651625, 669825, 703755, 751875, 772875, 826461, 1116375, 1172925, 1193777, 1288125, 1353375, 1377435, 1860625, 1954875, 2009475, 2255625, 2295725, 2479383, 3258125, 3349125, 3518775, 3581331, 3864375, 4132305, 5581875, 5864625, 5968885, 6766875, 6887175, 9774375, 10047375, 10743993, 11478625, 12396915, 16745625, 17593875, 17906655, 20661525, 29323125, 29844425, 32231979, 34435875, 50236875, 53719965, 57393125, 61984575, 87969375, 89533275, 103307625, 149222125, 161159895, 172179375, 268599825, 309922875, 447666375, 516538125, 746110625, 805799475, 1342999125, 1549614375, 2238331875, 4028997375, 6714995625, 20144986875]

約数ペア:

[(1, 20144986875), (3, 6714995625), (5, 4028997375), (9, 2238331875), (13, 1549614375), (15, 1342999125), (25, 805799475), (27, 746110625), (39, 516538125), (45, 447666375), (65, 309922875), (75, 268599825), (117, 172179375), (125, 161159895), (135, 149222125), (195, 103307625), (225, 89533275), (229, 87969375), (325, 61984575), (351, 57393125), (375, 53719965), (401, 50236875), (585, 34435875), (625, 32231979), (675, 29844425), (687, 29323125), (975, 20661525), (1125, 17906655), (1145, 17593875), (1203, 16745625), (1625, 12396915), (1755, 11478625), (1875, 10743993), (2005, 10047375), (2061, 9774375), (2925, 6887175), (2977, 6766875), (3375, 5968885), (3435, 5864625), (3609, 5581875), (4875, 4132305), (5213, 3864375), (5625, 3581331), (5725, 3518775), (6015, 3349125), (6183, 3258125), (8125, 2479383), (8775, 2295725), (8931, 2255625), (10025, 2009475), (10305, 1954875), (10827, 1860625), (14625, 1377435), (14885, 1353375), (15639, 1288125), (16875, 1193777), (17175, 1172925), (18045, 1116375), (24375, 826461), (26065, 772875), (26793, 751875), (28625, 703755), (30075, 669825), (30915, 651625), (43875, 459145), (44655, 451125), (46917, 429375), (50125, 401895), (51525, 390975), (54135, 372125), (73125, 275487), (74425, 270675), (78195, 257625), (80379, 250625), (85875, 234585), (90225, 223275), (91829, 219375), (130325, 154575), (133965, 150375), (140751, 143125)]