1771920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 6267456

約数和(自身を除く): 4495536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 107, 115, 120, 138, 144, 180, 184, 207, 214, 230, 240, 276, 321, 345, 360, 368, 414, 428, 460, 535, 552, 642, 690, 720, 828, 856, 920, 963, 1035, 1070, 1104, 1284, 1380, 1605, 1656, 1712, 1840, 1926, 2070, 2140, 2461, 2568, 2760, 3210, 3312, 3852, 4140, 4280, 4815, 4922, 5136, 5520, 6420, 7383, 7704, 8280, 8560, 9630, 9844, 12305, 12840, 14766, 15408, 16560, 19260, 19688, 22149, 24610, 25680, 29532, 36915, 38520, 39376, 44298, 49220, 59064, 73830, 77040, 88596, 98440, 110745, 118128, 147660, 177192, 196880, 221490, 295320, 354384, 442980, 590640, 885960, 1771920]

約数ペア:

[(1, 1771920), (2, 885960), (3, 590640), (4, 442980), (5, 354384), (6, 295320), (8, 221490), (9, 196880), (10, 177192), (12, 147660), (15, 118128), (16, 110745), (18, 98440), (20, 88596), (23, 77040), (24, 73830), (30, 59064), (36, 49220), (40, 44298), (45, 39376), (46, 38520), (48, 36915), (60, 29532), (69, 25680), (72, 24610), (80, 22149), (90, 19688), (92, 19260), (107, 16560), (115, 15408), (120, 14766), (138, 12840), (144, 12305), (180, 9844), (184, 9630), (207, 8560), (214, 8280), (230, 7704), (240, 7383), (276, 6420), (321, 5520), (345, 5136), (360, 4922), (368, 4815), (414, 4280), (428, 4140), (460, 3852), (535, 3312), (552, 3210), (642, 2760), (690, 2568), (720, 2461), (828, 2140), (856, 2070), (920, 1926), (963, 1840), (1035, 1712), (1070, 1656), (1104, 1605), (1284, 1380)]