15921840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 160

約数和(自身を含む): 55639296

約数和(自身を除く): 39717456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 37, 40, 44, 48, 55, 60, 66, 74, 80, 88, 110, 111, 120, 132, 148, 163, 165, 176, 185, 220, 222, 240, 264, 296, 326, 330, 370, 407, 440, 444, 489, 528, 555, 592, 652, 660, 740, 814, 815, 880, 888, 978, 1110, 1221, 1304, 1320, 1480, 1628, 1630, 1776, 1793, 1956, 2035, 2220, 2442, 2445, 2608, 2640, 2960, 3256, 3260, 3586, 3912, 4070, 4440, 4884, 4890, 5379, 6031, 6105, 6512, 6520, 7172, 7824, 8140, 8880, 8965, 9768, 9780, 10758, 12062, 12210, 13040, 14344, 16280, 17930, 18093, 19536, 19560, 21516, 24124, 24420, 26895, 28688, 30155, 32560, 35860, 36186, 39120, 43032, 48248, 48840, 53790, 60310, 66341, 71720, 72372, 86064, 90465, 96496, 97680, 107580, 120620, 132682, 143440, 144744, 180930, 199023, 215160, 241240, 265364, 289488, 331705, 361860, 398046, 430320, 482480, 530728, 663410, 723720, 796092, 995115, 1061456, 1326820, 1447440, 1592184, 1990230, 2653640, 3184368, 3980460, 5307280, 7960920, 15921840]

約数ペア:

[(1, 15921840), (2, 7960920), (3, 5307280), (4, 3980460), (5, 3184368), (6, 2653640), (8, 1990230), (10, 1592184), (11, 1447440), (12, 1326820), (15, 1061456), (16, 995115), (20, 796092), (22, 723720), (24, 663410), (30, 530728), (33, 482480), (37, 430320), (40, 398046), (44, 361860), (48, 331705), (55, 289488), (60, 265364), (66, 241240), (74, 215160), (80, 199023), (88, 180930), (110, 144744), (111, 143440), (120, 132682), (132, 120620), (148, 107580), (163, 97680), (165, 96496), (176, 90465), (185, 86064), (220, 72372), (222, 71720), (240, 66341), (264, 60310), (296, 53790), (326, 48840), (330, 48248), (370, 43032), (407, 39120), (440, 36186), (444, 35860), (489, 32560), (528, 30155), (555, 28688), (592, 26895), (652, 24420), (660, 24124), (740, 21516), (814, 19560), (815, 19536), (880, 18093), (888, 17930), (978, 16280), (1110, 14344), (1221, 13040), (1304, 12210), (1320, 12062), (1480, 10758), (1628, 9780), (1630, 9768), (1776, 8965), (1793, 8880), (1956, 8140), (2035, 7824), (2220, 7172), (2442, 6520), (2445, 6512), (2608, 6105), (2640, 6031), (2960, 5379), (3256, 4890), (3260, 4884), (3586, 4440), (3912, 4070)]