19837200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 64825216

約数和(自身を除く): 44988016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 61, 75, 80, 100, 120, 122, 150, 183, 200, 240, 244, 271, 300, 305, 366, 400, 488, 542, 600, 610, 732, 813, 915, 976, 1084, 1200, 1220, 1355, 1464, 1525, 1626, 1830, 2168, 2440, 2710, 2928, 3050, 3252, 3660, 4065, 4336, 4575, 4880, 5420, 6100, 6504, 6775, 7320, 8130, 9150, 10840, 12200, 13008, 13550, 14640, 16260, 16531, 18300, 20325, 21680, 24400, 27100, 32520, 33062, 36600, 40650, 49593, 54200, 65040, 66124, 73200, 81300, 82655, 99186, 108400, 132248, 162600, 165310, 198372, 247965, 264496, 325200, 330620, 396744, 413275, 495930, 661240, 793488, 826550, 991860, 1239825, 1322480, 1653100, 1983720, 2479650, 3306200, 3967440, 4959300, 6612400, 9918600, 19837200]

約数ペア:

[(1, 19837200), (2, 9918600), (3, 6612400), (4, 4959300), (5, 3967440), (6, 3306200), (8, 2479650), (10, 1983720), (12, 1653100), (15, 1322480), (16, 1239825), (20, 991860), (24, 826550), (25, 793488), (30, 661240), (40, 495930), (48, 413275), (50, 396744), (60, 330620), (61, 325200), (75, 264496), (80, 247965), (100, 198372), (120, 165310), (122, 162600), (150, 132248), (183, 108400), (200, 99186), (240, 82655), (244, 81300), (271, 73200), (300, 66124), (305, 65040), (366, 54200), (400, 49593), (488, 40650), (542, 36600), (600, 33062), (610, 32520), (732, 27100), (813, 24400), (915, 21680), (976, 20325), (1084, 18300), (1200, 16531), (1220, 16260), (1355, 14640), (1464, 13550), (1525, 13008), (1626, 12200), (1830, 10840), (2168, 9150), (2440, 8130), (2710, 7320), (2928, 6775), (3050, 6504), (3252, 6100), (3660, 5420), (4065, 4880), (4336, 4575)]