16315920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 240

約数和(自身を含む): 61281792

約数和(自身を除く): 44965872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 34, 36, 40, 43, 45, 48, 51, 60, 62, 68, 72, 80, 85, 86, 90, 93, 102, 120, 124, 129, 136, 144, 153, 155, 170, 172, 180, 186, 204, 215, 240, 248, 255, 258, 272, 279, 306, 310, 340, 344, 360, 372, 387, 408, 430, 465, 496, 510, 516, 527, 558, 612, 620, 645, 680, 688, 720, 731, 744, 765, 774, 816, 860, 930, 1020, 1032, 1054, 1116, 1224, 1240, 1290, 1333, 1360, 1395, 1462, 1488, 1530, 1548, 1581, 1720, 1860, 1935, 2040, 2064, 2108, 2193, 2232, 2448, 2480, 2580, 2635, 2666, 2790, 2924, 3060, 3096, 3162, 3440, 3655, 3720, 3870, 3999, 4080, 4216, 4386, 4464, 4743, 5160, 5270, 5332, 5580, 5848, 6120, 6192, 6324, 6579, 6665, 7310, 7440, 7740, 7905, 7998, 8432, 8772, 9486, 10320, 10540, 10664, 10965, 11160, 11696, 11997, 12240, 12648, 13158, 13330, 14620, 15480, 15810, 15996, 17544, 18972, 19995, 21080, 21328, 21930, 22320, 22661, 23715, 23994, 25296, 26316, 26660, 29240, 30960, 31620, 31992, 32895, 35088, 37944, 39990, 42160, 43860, 45322, 47430, 47988, 52632, 53320, 58480, 59985, 63240, 63984, 65790, 67983, 75888, 79980, 87720, 90644, 94860, 95976, 105264, 106640, 113305, 119970, 126480, 131580, 135966, 159960, 175440, 181288, 189720, 191952, 203949, 226610, 239940, 263160, 271932, 319920, 339915, 362576, 379440, 407898, 453220, 479880, 526320, 543864, 679830, 815796, 906440, 959760, 1019745, 1087728, 1359660, 1631592, 1812880, 2039490, 2719320, 3263184, 4078980, 5438640, 8157960, 16315920]

約数ペア:

[(1, 16315920), (2, 8157960), (3, 5438640), (4, 4078980), (5, 3263184), (6, 2719320), (8, 2039490), (9, 1812880), (10, 1631592), (12, 1359660), (15, 1087728), (16, 1019745), (17, 959760), (18, 906440), (20, 815796), (24, 679830), (30, 543864), (31, 526320), (34, 479880), (36, 453220), (40, 407898), (43, 379440), (45, 362576), (48, 339915), (51, 319920), (60, 271932), (62, 263160), (68, 239940), (72, 226610), (80, 203949), (85, 191952), (86, 189720), (90, 181288), (93, 175440), (102, 159960), (120, 135966), (124, 131580), (129, 126480), (136, 119970), (144, 113305), (153, 106640), (155, 105264), (170, 95976), (172, 94860), (180, 90644), (186, 87720), (204, 79980), (215, 75888), (240, 67983), (248, 65790), (255, 63984), (258, 63240), (272, 59985), (279, 58480), (306, 53320), (310, 52632), (340, 47988), (344, 47430), (360, 45322), (372, 43860), (387, 42160), (408, 39990), (430, 37944), (465, 35088), (496, 32895), (510, 31992), (516, 31620), (527, 30960), (558, 29240), (612, 26660), (620, 26316), (645, 25296), (680, 23994), (688, 23715), (720, 22661), (731, 22320), (744, 21930), (765, 21328), (774, 21080), (816, 19995), (860, 18972), (930, 17544), (1020, 15996), (1032, 15810), (1054, 15480), (1116, 14620), (1224, 13330), (1240, 13158), (1290, 12648), (1333, 12240), (1360, 11997), (1395, 11696), (1462, 11160), (1488, 10965), (1530, 10664), (1548, 10540), (1581, 10320), (1720, 9486), (1860, 8772), (1935, 8432), (2040, 7998), (2064, 7905), (2108, 7740), (2193, 7440), (2232, 7310), (2448, 6665), (2480, 6579), (2580, 6324), (2635, 6192), (2666, 6120), (2790, 5848), (2924, 5580), (3060, 5332), (3096, 5270), (3162, 5160), (3440, 4743), (3655, 4464), (3720, 4386), (3870, 4216), (3999, 4080)]