18931680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13147}}^1$

素因数の和:13168

約数の個数: 72

約数和(自身を含む): 64609272

約数和(自身を除く): 45677592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13147, 26294, 39441, 52588, 65735, 78882, 105176, 118323, 131470, 157764, 197205, 210352, 236646, 262940, 315528, 394410, 420704, 473292, 525880, 591615, 631056, 788820, 946584, 1051760, 1183230, 1262112, 1577640, 1893168, 2103520, 2366460, 3155280, 3786336, 4732920, 6310560, 9465840, 18931680]

約数ペア:

[(1, 18931680), (2, 9465840), (3, 6310560), (4, 4732920), (5, 3786336), (6, 3155280), (8, 2366460), (9, 2103520), (10, 1893168), (12, 1577640), (15, 1262112), (16, 1183230), (18, 1051760), (20, 946584), (24, 788820), (30, 631056), (32, 591615), (36, 525880), (40, 473292), (45, 420704), (48, 394410), (60, 315528), (72, 262940), (80, 236646), (90, 210352), (96, 197205), (120, 157764), (144, 131470), (160, 118323), (180, 105176), (240, 78882), (288, 65735), (360, 52588), (480, 39441), (720, 26294), (1440, 13147)]