121430820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 400353408

約数和(自身を除く): 278922588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 245, 294, 309, 401, 412, 420, 490, 515, 588, 618, 721, 735, 802, 980, 1030, 1203, 1236, 1442, 1470, 1545, 1604, 2005, 2060, 2163, 2406, 2807, 2884, 2940, 3090, 3605, 4010, 4326, 4812, 5047, 5614, 6015, 6180, 7210, 8020, 8421, 8652, 10094, 10815, 11228, 12030, 14035, 14420, 15141, 16842, 19649, 20188, 21630, 24060, 25235, 28070, 30282, 33684, 39298, 41303, 42105, 43260, 50470, 56140, 58947, 60564, 75705, 78596, 82606, 84210, 98245, 100940, 117894, 123909, 151410, 165212, 168420, 196490, 206515, 235788, 247818, 289121, 294735, 302820, 392980, 413030, 495636, 578242, 589470, 619545, 826060, 867363, 1156484, 1178940, 1239090, 1445605, 1734726, 2023847, 2478180, 2891210, 3469452, 4047694, 4336815, 5782420, 6071541, 8095388, 8673630, 10119235, 12143082, 17347260, 20238470, 24286164, 30357705, 40476940, 60715410, 121430820]

約数ペア:

[(1, 121430820), (2, 60715410), (3, 40476940), (4, 30357705), (5, 24286164), (6, 20238470), (7, 17347260), (10, 12143082), (12, 10119235), (14, 8673630), (15, 8095388), (20, 6071541), (21, 5782420), (28, 4336815), (30, 4047694), (35, 3469452), (42, 2891210), (49, 2478180), (60, 2023847), (70, 1734726), (84, 1445605), (98, 1239090), (103, 1178940), (105, 1156484), (140, 867363), (147, 826060), (196, 619545), (206, 589470), (210, 578242), (245, 495636), (294, 413030), (309, 392980), (401, 302820), (412, 294735), (420, 289121), (490, 247818), (515, 235788), (588, 206515), (618, 196490), (721, 168420), (735, 165212), (802, 151410), (980, 123909), (1030, 117894), (1203, 100940), (1236, 98245), (1442, 84210), (1470, 82606), (1545, 78596), (1604, 75705), (2005, 60564), (2060, 58947), (2163, 56140), (2406, 50470), (2807, 43260), (2884, 42105), (2940, 41303), (3090, 39298), (3605, 33684), (4010, 30282), (4326, 28070), (4812, 25235), (5047, 24060), (5614, 21630), (6015, 20188), (6180, 19649), (7210, 16842), (8020, 15141), (8421, 14420), (8652, 14035), (10094, 12030), (10815, 11228)]