19877040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1453}}^1$

素因数の和:1491

約数の個数: 120

約数和(自身を含む): 70315440

約数和(自身を除く): 50438400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1453, 1520, 1710, 2280, 2736, 2906, 3420, 4359, 4560, 5812, 6840, 7265, 8718, 11624, 13077, 13680, 14530, 17436, 21795, 23248, 26154, 27607, 29060, 34872, 43590, 52308, 55214, 58120, 65385, 69744, 82821, 87180, 104616, 110428, 116240, 130770, 138035, 165642, 174360, 209232, 220856, 248463, 261540, 276070, 331284, 348720, 414105, 441712, 496926, 523080, 552140, 662568, 828210, 993852, 1046160, 1104280, 1242315, 1325136, 1656420, 1987704, 2208560, 2484630, 3312840, 3975408, 4969260, 6625680, 9938520, 19877040]

約数ペア:

[(1, 19877040), (2, 9938520), (3, 6625680), (4, 4969260), (5, 3975408), (6, 3312840), (8, 2484630), (9, 2208560), (10, 1987704), (12, 1656420), (15, 1325136), (16, 1242315), (18, 1104280), (19, 1046160), (20, 993852), (24, 828210), (30, 662568), (36, 552140), (38, 523080), (40, 496926), (45, 441712), (48, 414105), (57, 348720), (60, 331284), (72, 276070), (76, 261540), (80, 248463), (90, 220856), (95, 209232), (114, 174360), (120, 165642), (144, 138035), (152, 130770), (171, 116240), (180, 110428), (190, 104616), (228, 87180), (240, 82821), (285, 69744), (304, 65385), (342, 58120), (360, 55214), (380, 52308), (456, 43590), (570, 34872), (684, 29060), (720, 27607), (760, 26154), (855, 23248), (912, 21795), (1140, 17436), (1368, 14530), (1453, 13680), (1520, 13077), (1710, 11624), (2280, 8718), (2736, 7265), (2906, 6840), (3420, 5812), (4359, 4560)]