221569740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4289}}^1$

素因数の和:4352

約数の個数: 144

約数和(自身を含む): 787026240

約数和(自身を除く): 565456500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 820, 861, 1148, 1230, 1260, 1435, 1476, 1722, 1845, 2460, 2583, 2870, 3444, 3690, 4289, 4305, 5166, 5740, 7380, 8578, 8610, 10332, 12867, 12915, 17156, 17220, 21445, 25734, 25830, 30023, 38601, 42890, 51468, 51660, 60046, 64335, 77202, 85780, 90069, 120092, 128670, 150115, 154404, 175849, 180138, 193005, 257340, 270207, 300230, 351698, 360276, 386010, 450345, 527547, 540414, 600460, 703396, 772020, 879245, 900690, 1055094, 1080828, 1230943, 1351035, 1582641, 1758490, 1801380, 2110188, 2461886, 2637735, 2702070, 3165282, 3516980, 3692829, 4923772, 5275470, 5404140, 6154715, 6330564, 7385658, 7913205, 10550940, 11078487, 12309430, 14771316, 15826410, 18464145, 22156974, 24618860, 31652820, 36928290, 44313948, 55392435, 73856580, 110784870, 221569740]

約数ペア:

[(1, 221569740), (2, 110784870), (3, 73856580), (4, 55392435), (5, 44313948), (6, 36928290), (7, 31652820), (9, 24618860), (10, 22156974), (12, 18464145), (14, 15826410), (15, 14771316), (18, 12309430), (20, 11078487), (21, 10550940), (28, 7913205), (30, 7385658), (35, 6330564), (36, 6154715), (41, 5404140), (42, 5275470), (45, 4923772), (60, 3692829), (63, 3516980), (70, 3165282), (82, 2702070), (84, 2637735), (90, 2461886), (105, 2110188), (123, 1801380), (126, 1758490), (140, 1582641), (164, 1351035), (180, 1230943), (205, 1080828), (210, 1055094), (246, 900690), (252, 879245), (287, 772020), (315, 703396), (369, 600460), (410, 540414), (420, 527547), (492, 450345), (574, 386010), (615, 360276), (630, 351698), (738, 300230), (820, 270207), (861, 257340), (1148, 193005), (1230, 180138), (1260, 175849), (1435, 154404), (1476, 150115), (1722, 128670), (1845, 120092), (2460, 90069), (2583, 85780), (2870, 77202), (3444, 64335), (3690, 60046), (4289, 51660), (4305, 51468), (5166, 42890), (5740, 38601), (7380, 30023), (8578, 25830), (8610, 25734), (10332, 21445), (12867, 17220), (12915, 17156)]