121509990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 373248000

約数和(自身を除く): 251738010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 239, 269, 270, 315, 378, 478, 538, 630, 717, 807, 945, 1195, 1345, 1434, 1614, 1673, 1883, 1890, 2151, 2390, 2421, 2690, 3346, 3585, 3766, 4035, 4302, 4842, 5019, 5649, 6453, 7170, 7263, 8070, 8365, 9415, 10038, 10755, 11298, 12105, 12906, 14526, 15057, 16730, 16947, 18830, 21510, 24210, 25095, 28245, 30114, 32265, 33894, 36315, 45171, 50190, 50841, 56490, 64291, 64530, 72630, 75285, 84735, 90342, 101682, 128582, 150570, 169470, 192873, 225855, 254205, 321455, 385746, 450037, 451710, 508410, 578619, 642910, 900074, 964365, 1157238, 1350111, 1735857, 1928730, 2250185, 2700222, 2893095, 3471714, 4050333, 4500370, 5786190, 6750555, 8100666, 8679285, 12150999, 13501110, 17358570, 20251665, 24301998, 40503330, 60754995, 121509990]

約数ペア:

[(1, 121509990), (2, 60754995), (3, 40503330), (5, 24301998), (6, 20251665), (7, 17358570), (9, 13501110), (10, 12150999), (14, 8679285), (15, 8100666), (18, 6750555), (21, 5786190), (27, 4500370), (30, 4050333), (35, 3471714), (42, 2893095), (45, 2700222), (54, 2250185), (63, 1928730), (70, 1735857), (90, 1350111), (105, 1157238), (126, 964365), (135, 900074), (189, 642910), (210, 578619), (239, 508410), (269, 451710), (270, 450037), (315, 385746), (378, 321455), (478, 254205), (538, 225855), (630, 192873), (717, 169470), (807, 150570), (945, 128582), (1195, 101682), (1345, 90342), (1434, 84735), (1614, 75285), (1673, 72630), (1883, 64530), (1890, 64291), (2151, 56490), (2390, 50841), (2421, 50190), (2690, 45171), (3346, 36315), (3585, 33894), (3766, 32265), (4035, 30114), (4302, 28245), (4842, 25095), (5019, 24210), (5649, 21510), (6453, 18830), (7170, 16947), (7263, 16730), (8070, 15057), (8365, 14526), (9415, 12906), (10038, 12105), (10755, 11298)]