1209712980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{1367}}^1$

素因数の和:1443

約数の個数: 192

約数和(自身を含む): 4044902400

約数和(自身を除く): 2835189420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 343, 420, 430, 490, 516, 588, 602, 645, 686, 735, 860, 903, 980, 1029, 1204, 1290, 1367, 1372, 1470, 1505, 1715, 1806, 2058, 2107, 2580, 2734, 2940, 3010, 3430, 3612, 4101, 4116, 4214, 4515, 5145, 5468, 6020, 6321, 6835, 6860, 8202, 8428, 9030, 9569, 10290, 10535, 12642, 13670, 14749, 16404, 18060, 19138, 20505, 20580, 21070, 25284, 27340, 28707, 29498, 31605, 38276, 41010, 42140, 44247, 47845, 57414, 58781, 58996, 63210, 66983, 73745, 82020, 88494, 95690, 114828, 117562, 126420, 133966, 143535, 147490, 176343, 176988, 191380, 200949, 221235, 235124, 267932, 287070, 293905, 294980, 334915, 352686, 401898, 411467, 442470, 468881, 574140, 587810, 669830, 705372, 803796, 822934, 881715, 884940, 937762, 1004745, 1175620, 1234401, 1339660, 1406643, 1645868, 1763430, 1875524, 2009490, 2057335, 2344405, 2468802, 2813286, 2880269, 3526860, 4018980, 4114670, 4688810, 4937604, 5626572, 5760538, 6172005, 7033215, 8229340, 8640807, 9377620, 11521076, 12344010, 14066430, 14401345, 17281614, 20161883, 24688020, 28132860, 28802690, 34563228, 40323766, 43204035, 57605380, 60485649, 80647532, 86408070, 100809415, 120971298, 172816140, 201618830, 241942596, 302428245, 403237660, 604856490, 1209712980]

約数ペア:

[(1, 1209712980), (2, 604856490), (3, 403237660), (4, 302428245), (5, 241942596), (6, 201618830), (7, 172816140), (10, 120971298), (12, 100809415), (14, 86408070), (15, 80647532), (20, 60485649), (21, 57605380), (28, 43204035), (30, 40323766), (35, 34563228), (42, 28802690), (43, 28132860), (49, 24688020), (60, 20161883), (70, 17281614), (84, 14401345), (86, 14066430), (98, 12344010), (105, 11521076), (129, 9377620), (140, 8640807), (147, 8229340), (172, 7033215), (196, 6172005), (210, 5760538), (215, 5626572), (245, 4937604), (258, 4688810), (294, 4114670), (301, 4018980), (343, 3526860), (420, 2880269), (430, 2813286), (490, 2468802), (516, 2344405), (588, 2057335), (602, 2009490), (645, 1875524), (686, 1763430), (735, 1645868), (860, 1406643), (903, 1339660), (980, 1234401), (1029, 1175620), (1204, 1004745), (1290, 937762), (1367, 884940), (1372, 881715), (1470, 822934), (1505, 803796), (1715, 705372), (1806, 669830), (2058, 587810), (2107, 574140), (2580, 468881), (2734, 442470), (2940, 411467), (3010, 401898), (3430, 352686), (3612, 334915), (4101, 294980), (4116, 293905), (4214, 287070), (4515, 267932), (5145, 235124), (5468, 221235), (6020, 200949), (6321, 191380), (6835, 176988), (6860, 176343), (8202, 147490), (8428, 143535), (9030, 133966), (9569, 126420), (10290, 117562), (10535, 114828), (12642, 95690), (13670, 88494), (14749, 82020), (16404, 73745), (18060, 66983), (19138, 63210), (20505, 58996), (20580, 58781), (21070, 57414), (25284, 47845), (27340, 44247), (28707, 42140), (29498, 41010), (31605, 38276)]