128246640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^2$

素因数の和:136

約数の個数: 180

約数和(自身を含む): 432376344

約数和(自身を除く): 304129704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 43, 48, 51, 60, 68, 80, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 240, 255, 258, 272, 289, 340, 344, 408, 430, 510, 516, 578, 645, 680, 688, 731, 816, 860, 867, 1020, 1032, 1156, 1290, 1360, 1445, 1462, 1720, 1734, 1849, 2040, 2064, 2193, 2312, 2580, 2890, 2924, 3440, 3468, 3655, 3698, 4080, 4335, 4386, 4624, 5160, 5547, 5780, 5848, 6936, 7310, 7396, 8670, 8772, 9245, 10320, 10965, 11094, 11560, 11696, 12427, 13872, 14620, 14792, 17340, 17544, 18490, 21930, 22188, 23120, 24854, 27735, 29240, 29584, 31433, 34680, 35088, 36980, 37281, 43860, 44376, 49708, 55470, 58480, 62135, 62866, 69360, 73960, 74562, 87720, 88752, 94299, 99416, 110940, 124270, 125732, 147920, 149124, 157165, 175440, 186405, 188598, 198832, 221880, 248540, 251464, 298248, 314330, 372810, 377196, 443760, 471495, 497080, 502928, 534361, 596496, 628660, 745620, 754392, 942990, 994160, 1068722, 1257320, 1491240, 1508784, 1603083, 1885980, 2137444, 2514640, 2671805, 2982480, 3206166, 3771960, 4274888, 5343610, 6412332, 7543920, 8015415, 8549776, 10687220, 12824664, 16030830, 21374440, 25649328, 32061660, 42748880, 64123320, 128246640]

約数ペア:

[(1, 128246640), (2, 64123320), (3, 42748880), (4, 32061660), (5, 25649328), (6, 21374440), (8, 16030830), (10, 12824664), (12, 10687220), (15, 8549776), (16, 8015415), (17, 7543920), (20, 6412332), (24, 5343610), (30, 4274888), (34, 3771960), (40, 3206166), (43, 2982480), (48, 2671805), (51, 2514640), (60, 2137444), (68, 1885980), (80, 1603083), (85, 1508784), (86, 1491240), (102, 1257320), (120, 1068722), (129, 994160), (136, 942990), (170, 754392), (172, 745620), (204, 628660), (215, 596496), (240, 534361), (255, 502928), (258, 497080), (272, 471495), (289, 443760), (340, 377196), (344, 372810), (408, 314330), (430, 298248), (510, 251464), (516, 248540), (578, 221880), (645, 198832), (680, 188598), (688, 186405), (731, 175440), (816, 157165), (860, 149124), (867, 147920), (1020, 125732), (1032, 124270), (1156, 110940), (1290, 99416), (1360, 94299), (1445, 88752), (1462, 87720), (1720, 74562), (1734, 73960), (1849, 69360), (2040, 62866), (2064, 62135), (2193, 58480), (2312, 55470), (2580, 49708), (2890, 44376), (2924, 43860), (3440, 37281), (3468, 36980), (3655, 35088), (3698, 34680), (4080, 31433), (4335, 29584), (4386, 29240), (4624, 27735), (5160, 24854), (5547, 23120), (5780, 22188), (5848, 21930), (6936, 18490), (7310, 17544), (7396, 17340), (8670, 14792), (8772, 14620), (9245, 13872), (10320, 12427), (10965, 11696), (11094, 11560)]