12145980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 42900480

約数和(自身を除く): 30754500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 239, 242, 308, 330, 363, 385, 420, 462, 478, 484, 605, 660, 717, 726, 770, 847, 924, 956, 1155, 1195, 1210, 1434, 1452, 1540, 1673, 1694, 1815, 2310, 2390, 2420, 2541, 2629, 2868, 3346, 3388, 3585, 3630, 4235, 4620, 4780, 5019, 5082, 5258, 6692, 7170, 7260, 7887, 8365, 8470, 10038, 10164, 10516, 12705, 13145, 14340, 15774, 16730, 16940, 18403, 20076, 25095, 25410, 26290, 28919, 31548, 33460, 36806, 39435, 50190, 50820, 52580, 55209, 57838, 73612, 78870, 86757, 92015, 100380, 110418, 115676, 144595, 157740, 173514, 184030, 202433, 220836, 276045, 289190, 347028, 368060, 404866, 433785, 552090, 578380, 607299, 809732, 867570, 1012165, 1104180, 1214598, 1735140, 2024330, 2429196, 3036495, 4048660, 6072990, 12145980]

約数ペア:

[(1, 12145980), (2, 6072990), (3, 4048660), (4, 3036495), (5, 2429196), (6, 2024330), (7, 1735140), (10, 1214598), (11, 1104180), (12, 1012165), (14, 867570), (15, 809732), (20, 607299), (21, 578380), (22, 552090), (28, 433785), (30, 404866), (33, 368060), (35, 347028), (42, 289190), (44, 276045), (55, 220836), (60, 202433), (66, 184030), (70, 173514), (77, 157740), (84, 144595), (105, 115676), (110, 110418), (121, 100380), (132, 92015), (140, 86757), (154, 78870), (165, 73612), (210, 57838), (220, 55209), (231, 52580), (239, 50820), (242, 50190), (308, 39435), (330, 36806), (363, 33460), (385, 31548), (420, 28919), (462, 26290), (478, 25410), (484, 25095), (605, 20076), (660, 18403), (717, 16940), (726, 16730), (770, 15774), (847, 14340), (924, 13145), (956, 12705), (1155, 10516), (1195, 10164), (1210, 10038), (1434, 8470), (1452, 8365), (1540, 7887), (1673, 7260), (1694, 7170), (1815, 6692), (2310, 5258), (2390, 5082), (2420, 5019), (2541, 4780), (2629, 4620), (2868, 4235), (3346, 3630), (3388, 3585)]