128756640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 192

約数和(自身を含む): 444165120

約数和(自身を除く): 315408480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 96, 102, 120, 124, 136, 155, 160, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 480, 496, 509, 510, 527, 544, 620, 680, 744, 816, 930, 992, 1018, 1020, 1054, 1240, 1360, 1488, 1527, 1581, 1632, 1860, 2036, 2040, 2108, 2480, 2545, 2635, 2720, 2976, 3054, 3162, 3720, 4072, 4080, 4216, 4960, 5090, 5270, 6108, 6324, 7440, 7635, 7905, 8144, 8160, 8432, 8653, 10180, 10540, 12216, 12648, 14880, 15270, 15779, 15810, 16288, 16864, 17306, 20360, 21080, 24432, 25296, 25959, 30540, 31558, 31620, 34612, 40720, 42160, 43265, 47337, 48864, 50592, 51918, 61080, 63116, 63240, 69224, 78895, 81440, 84320, 86530, 94674, 103836, 122160, 126232, 126480, 129795, 138448, 157790, 173060, 189348, 207672, 236685, 244320, 252464, 252960, 259590, 268243, 276896, 315580, 346120, 378696, 415344, 473370, 504928, 519180, 536486, 631160, 692240, 757392, 804729, 830688, 946740, 1038360, 1072972, 1262320, 1341215, 1384480, 1514784, 1609458, 1893480, 2076720, 2145944, 2524640, 2682430, 3218916, 3786960, 4023645, 4153440, 4291888, 5364860, 6437832, 7573920, 8047290, 8583776, 10729720, 12875664, 16094580, 21459440, 25751328, 32189160, 42918880, 64378320, 128756640]

約数ペア:

[(1, 128756640), (2, 64378320), (3, 42918880), (4, 32189160), (5, 25751328), (6, 21459440), (8, 16094580), (10, 12875664), (12, 10729720), (15, 8583776), (16, 8047290), (17, 7573920), (20, 6437832), (24, 5364860), (30, 4291888), (31, 4153440), (32, 4023645), (34, 3786960), (40, 3218916), (48, 2682430), (51, 2524640), (60, 2145944), (62, 2076720), (68, 1893480), (80, 1609458), (85, 1514784), (93, 1384480), (96, 1341215), (102, 1262320), (120, 1072972), (124, 1038360), (136, 946740), (155, 830688), (160, 804729), (170, 757392), (186, 692240), (204, 631160), (240, 536486), (248, 519180), (255, 504928), (272, 473370), (310, 415344), (340, 378696), (372, 346120), (408, 315580), (465, 276896), (480, 268243), (496, 259590), (509, 252960), (510, 252464), (527, 244320), (544, 236685), (620, 207672), (680, 189348), (744, 173060), (816, 157790), (930, 138448), (992, 129795), (1018, 126480), (1020, 126232), (1054, 122160), (1240, 103836), (1360, 94674), (1488, 86530), (1527, 84320), (1581, 81440), (1632, 78895), (1860, 69224), (2036, 63240), (2040, 63116), (2108, 61080), (2480, 51918), (2545, 50592), (2635, 48864), (2720, 47337), (2976, 43265), (3054, 42160), (3162, 40720), (3720, 34612), (4072, 31620), (4080, 31558), (4216, 30540), (4960, 25959), (5090, 25296), (5270, 24432), (6108, 21080), (6324, 20360), (7440, 17306), (7635, 16864), (7905, 16288), (8144, 15810), (8160, 15779), (8432, 15270), (8653, 14880), (10180, 12648), (10540, 12216)]