247801860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1723}}^1$

素因数の和:1802

約数の個数: 144

約数和(自身を含む): 813286656

約数和(自身を除く): 565484796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 47, 51, 60, 68, 85, 90, 94, 102, 141, 153, 170, 180, 188, 204, 235, 255, 282, 306, 340, 423, 470, 510, 564, 612, 705, 765, 799, 846, 940, 1020, 1410, 1530, 1598, 1692, 1723, 2115, 2397, 2820, 3060, 3196, 3446, 3995, 4230, 4794, 5169, 6892, 7191, 7990, 8460, 8615, 9588, 10338, 11985, 14382, 15507, 15980, 17230, 20676, 23970, 25845, 28764, 29291, 31014, 34460, 35955, 47940, 51690, 58582, 62028, 71910, 77535, 80981, 87873, 103380, 117164, 143820, 146455, 155070, 161962, 175746, 242943, 263619, 292910, 310140, 323924, 351492, 404905, 439365, 485886, 527238, 585820, 728829, 809810, 878730, 971772, 1054476, 1214715, 1318095, 1376677, 1457658, 1619620, 1757460, 2429430, 2636190, 2753354, 2915316, 3644145, 4130031, 4858860, 5272380, 5506708, 6883385, 7288290, 8260062, 12390093, 13766770, 14576580, 16520124, 20650155, 24780186, 27533540, 41300310, 49560372, 61950465, 82600620, 123900930, 247801860]

約数ペア:

[(1, 247801860), (2, 123900930), (3, 82600620), (4, 61950465), (5, 49560372), (6, 41300310), (9, 27533540), (10, 24780186), (12, 20650155), (15, 16520124), (17, 14576580), (18, 13766770), (20, 12390093), (30, 8260062), (34, 7288290), (36, 6883385), (45, 5506708), (47, 5272380), (51, 4858860), (60, 4130031), (68, 3644145), (85, 2915316), (90, 2753354), (94, 2636190), (102, 2429430), (141, 1757460), (153, 1619620), (170, 1457658), (180, 1376677), (188, 1318095), (204, 1214715), (235, 1054476), (255, 971772), (282, 878730), (306, 809810), (340, 728829), (423, 585820), (470, 527238), (510, 485886), (564, 439365), (612, 404905), (705, 351492), (765, 323924), (799, 310140), (846, 292910), (940, 263619), (1020, 242943), (1410, 175746), (1530, 161962), (1598, 155070), (1692, 146455), (1723, 143820), (2115, 117164), (2397, 103380), (2820, 87873), (3060, 80981), (3196, 77535), (3446, 71910), (3995, 62028), (4230, 58582), (4794, 51690), (5169, 47940), (6892, 35955), (7191, 34460), (7990, 31014), (8460, 29291), (8615, 28764), (9588, 25845), (10338, 23970), (11985, 20676), (14382, 17230), (15507, 15980)]