81881100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:385

約数の個数: 216

約数和(自身を含む): 301418208

約数和(自身を除く): 219537108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 41, 42, 45, 50, 60, 63, 70, 75, 82, 84, 90, 100, 105, 123, 126, 140, 150, 164, 175, 180, 205, 210, 225, 246, 252, 287, 300, 315, 317, 350, 369, 410, 420, 450, 492, 525, 574, 615, 630, 634, 700, 738, 820, 861, 900, 951, 1025, 1050, 1148, 1230, 1260, 1268, 1435, 1476, 1575, 1585, 1722, 1845, 1902, 2050, 2100, 2219, 2460, 2583, 2853, 2870, 3075, 3150, 3170, 3444, 3690, 3804, 4100, 4305, 4438, 4755, 5166, 5706, 5740, 6150, 6300, 6340, 6657, 7175, 7380, 7925, 8610, 8876, 9225, 9510, 10332, 11095, 11412, 12300, 12915, 12997, 13314, 14265, 14350, 15850, 17220, 18450, 19020, 19971, 21525, 22190, 23775, 25830, 25994, 26628, 28530, 28700, 31700, 33285, 36900, 38991, 39942, 43050, 44380, 47550, 51660, 51988, 55475, 57060, 64575, 64985, 66570, 71325, 77982, 79884, 86100, 90979, 95100, 99855, 110950, 116973, 129150, 129970, 133140, 142650, 155964, 166425, 181958, 194955, 199710, 221900, 233946, 258300, 259940, 272937, 285300, 324925, 332850, 363916, 389910, 399420, 454895, 467892, 499275, 545874, 584865, 649850, 665700, 779820, 818811, 909790, 974775, 998550, 1091748, 1169730, 1299700, 1364685, 1637622, 1819580, 1949550, 1997100, 2274475, 2339460, 2729370, 2924325, 3275244, 3899100, 4094055, 4548950, 5458740, 5848650, 6823425, 8188110, 9097900, 11697300, 13646850, 16376220, 20470275, 27293700, 40940550, 81881100]

約数ペア:

[(1, 81881100), (2, 40940550), (3, 27293700), (4, 20470275), (5, 16376220), (6, 13646850), (7, 11697300), (9, 9097900), (10, 8188110), (12, 6823425), (14, 5848650), (15, 5458740), (18, 4548950), (20, 4094055), (21, 3899100), (25, 3275244), (28, 2924325), (30, 2729370), (35, 2339460), (36, 2274475), (41, 1997100), (42, 1949550), (45, 1819580), (50, 1637622), (60, 1364685), (63, 1299700), (70, 1169730), (75, 1091748), (82, 998550), (84, 974775), (90, 909790), (100, 818811), (105, 779820), (123, 665700), (126, 649850), (140, 584865), (150, 545874), (164, 499275), (175, 467892), (180, 454895), (205, 399420), (210, 389910), (225, 363916), (246, 332850), (252, 324925), (287, 285300), (300, 272937), (315, 259940), (317, 258300), (350, 233946), (369, 221900), (410, 199710), (420, 194955), (450, 181958), (492, 166425), (525, 155964), (574, 142650), (615, 133140), (630, 129970), (634, 129150), (700, 116973), (738, 110950), (820, 99855), (861, 95100), (900, 90979), (951, 86100), (1025, 79884), (1050, 77982), (1148, 71325), (1230, 66570), (1260, 64985), (1268, 64575), (1435, 57060), (1476, 55475), (1575, 51988), (1585, 51660), (1722, 47550), (1845, 44380), (1902, 43050), (2050, 39942), (2100, 38991), (2219, 36900), (2460, 33285), (2583, 31700), (2853, 28700), (2870, 28530), (3075, 26628), (3150, 25994), (3170, 25830), (3444, 23775), (3690, 22190), (3804, 21525), (4100, 19971), (4305, 19020), (4438, 18450), (4755, 17220), (5166, 15850), (5706, 14350), (5740, 14265), (6150, 13314), (6300, 12997), (6340, 12915), (6657, 12300), (7175, 11412), (7380, 11095), (7925, 10332), (8610, 9510), (8876, 9225)]