321837040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18539}}^1$

素因数の和:18590

約数の個数: 80

約数和(自身を含む): 882800640

約数和(自身を除く): 560963600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 18539, 37078, 74156, 92695, 129773, 148312, 185390, 259546, 296624, 370780, 519092, 574709, 648865, 741560, 1038184, 1149418, 1297730, 1483120, 2076368, 2298836, 2595460, 2873545, 4022963, 4597672, 5190920, 5747090, 8045926, 9195344, 10381840, 11494180, 16091852, 20114815, 22988360, 32183704, 40229630, 45976720, 64367408, 80459260, 160918520, 321837040]

約数ペア:

[(1, 321837040), (2, 160918520), (4, 80459260), (5, 64367408), (7, 45976720), (8, 40229630), (10, 32183704), (14, 22988360), (16, 20114815), (20, 16091852), (28, 11494180), (31, 10381840), (35, 9195344), (40, 8045926), (56, 5747090), (62, 5190920), (70, 4597672), (80, 4022963), (112, 2873545), (124, 2595460), (140, 2298836), (155, 2076368), (217, 1483120), (248, 1297730), (280, 1149418), (310, 1038184), (434, 741560), (496, 648865), (560, 574709), (620, 519092), (868, 370780), (1085, 296624), (1240, 259546), (1736, 185390), (2170, 148312), (2480, 129773), (3472, 92695), (4340, 74156), (8680, 37078), (17360, 18539)]