678011340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 2052931104

約数和(自身を除く): 1374919764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 61, 68, 85, 102, 122, 170, 183, 204, 244, 255, 289, 305, 340, 366, 510, 578, 610, 641, 732, 867, 915, 1020, 1037, 1156, 1220, 1282, 1445, 1734, 1830, 1923, 2074, 2564, 2890, 3111, 3205, 3468, 3660, 3846, 4148, 4335, 5185, 5780, 6222, 6410, 7692, 8670, 9615, 10370, 10897, 12444, 12820, 15555, 17340, 17629, 19230, 20740, 21794, 31110, 32691, 35258, 38460, 39101, 43588, 52887, 54485, 62220, 65382, 70516, 78202, 88145, 105774, 108970, 117303, 130764, 156404, 163455, 176290, 185249, 195505, 211548, 217940, 234606, 264435, 326910, 352580, 370498, 391010, 469212, 528870, 555747, 586515, 653820, 664717, 740996, 782020, 926245, 1057740, 1111494, 1173030, 1329434, 1852490, 1994151, 2222988, 2346060, 2658868, 2778735, 3323585, 3704980, 3988302, 5557470, 6647170, 7976604, 9970755, 11114940, 11300189, 13294340, 19941510, 22600378, 33900567, 39883020, 45200756, 56500945, 67801134, 113001890, 135602268, 169502835, 226003780, 339005670, 678011340]

約数ペア:

[(1, 678011340), (2, 339005670), (3, 226003780), (4, 169502835), (5, 135602268), (6, 113001890), (10, 67801134), (12, 56500945), (15, 45200756), (17, 39883020), (20, 33900567), (30, 22600378), (34, 19941510), (51, 13294340), (60, 11300189), (61, 11114940), (68, 9970755), (85, 7976604), (102, 6647170), (122, 5557470), (170, 3988302), (183, 3704980), (204, 3323585), (244, 2778735), (255, 2658868), (289, 2346060), (305, 2222988), (340, 1994151), (366, 1852490), (510, 1329434), (578, 1173030), (610, 1111494), (641, 1057740), (732, 926245), (867, 782020), (915, 740996), (1020, 664717), (1037, 653820), (1156, 586515), (1220, 555747), (1282, 528870), (1445, 469212), (1734, 391010), (1830, 370498), (1923, 352580), (2074, 326910), (2564, 264435), (2890, 234606), (3111, 217940), (3205, 211548), (3468, 195505), (3660, 185249), (3846, 176290), (4148, 163455), (4335, 156404), (5185, 130764), (5780, 117303), (6222, 108970), (6410, 105774), (7692, 88145), (8670, 78202), (9615, 70516), (10370, 65382), (10897, 62220), (12444, 54485), (12820, 52887), (15555, 43588), (17340, 39101), (17629, 38460), (19230, 35258), (20740, 32691), (21794, 31110)]