21697440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2659}}^1$

素因数の和:2694

約数の個数: 96

約数和(自身を含む): 72394560

約数和(自身を除く): 50697120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2659, 2720, 4080, 5318, 7977, 8160, 10636, 13295, 15954, 21272, 26590, 31908, 39885, 42544, 45203, 53180, 63816, 79770, 85088, 90406, 106360, 127632, 135609, 159540, 180812, 212720, 226015, 255264, 271218, 319080, 361624, 425440, 452030, 542436, 638160, 678045, 723248, 904060, 1084872, 1276320, 1356090, 1446496, 1808120, 2169744, 2712180, 3616240, 4339488, 5424360, 7232480, 10848720, 21697440]

約数ペア:

[(1, 21697440), (2, 10848720), (3, 7232480), (4, 5424360), (5, 4339488), (6, 3616240), (8, 2712180), (10, 2169744), (12, 1808120), (15, 1446496), (16, 1356090), (17, 1276320), (20, 1084872), (24, 904060), (30, 723248), (32, 678045), (34, 638160), (40, 542436), (48, 452030), (51, 425440), (60, 361624), (68, 319080), (80, 271218), (85, 255264), (96, 226015), (102, 212720), (120, 180812), (136, 159540), (160, 135609), (170, 127632), (204, 106360), (240, 90406), (255, 85088), (272, 79770), (340, 63816), (408, 53180), (480, 45203), (510, 42544), (544, 39885), (680, 31908), (816, 26590), (1020, 21272), (1360, 15954), (1632, 13295), (2040, 10636), (2659, 8160), (2720, 7977), (4080, 5318)]