28119420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 192

約数和(自身を含む): 102896640

約数和(自身を除く): 74777220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 84, 86, 90, 105, 108, 126, 129, 135, 140, 172, 173, 180, 189, 210, 215, 252, 258, 270, 301, 315, 346, 378, 387, 420, 430, 516, 519, 540, 602, 630, 645, 692, 756, 774, 860, 865, 903, 945, 1038, 1161, 1204, 1211, 1260, 1290, 1505, 1548, 1557, 1730, 1806, 1890, 1935, 2076, 2322, 2422, 2580, 2595, 2709, 3010, 3114, 3460, 3612, 3633, 3780, 3870, 4515, 4644, 4671, 4844, 5190, 5418, 5805, 6020, 6055, 6228, 7266, 7439, 7740, 7785, 8127, 9030, 9342, 10380, 10836, 10899, 11610, 12110, 13545, 14532, 14878, 15570, 16254, 18060, 18165, 18684, 21798, 22317, 23220, 23355, 24220, 27090, 29756, 31140, 32508, 32697, 36330, 37195, 40635, 43596, 44634, 46710, 52073, 54180, 54495, 65394, 66951, 72660, 74390, 81270, 89268, 93420, 104146, 108990, 111585, 130788, 133902, 148780, 156219, 162540, 163485, 200853, 208292, 217980, 223170, 260365, 267804, 312438, 326970, 334755, 401706, 446340, 468657, 520730, 624876, 653940, 669510, 781095, 803412, 937314, 1004265, 1041460, 1339020, 1405971, 1562190, 1874628, 2008530, 2343285, 2811942, 3124380, 4017060, 4686570, 5623884, 7029855, 9373140, 14059710, 28119420]

約数ペア:

[(1, 28119420), (2, 14059710), (3, 9373140), (4, 7029855), (5, 5623884), (6, 4686570), (7, 4017060), (9, 3124380), (10, 2811942), (12, 2343285), (14, 2008530), (15, 1874628), (18, 1562190), (20, 1405971), (21, 1339020), (27, 1041460), (28, 1004265), (30, 937314), (35, 803412), (36, 781095), (42, 669510), (43, 653940), (45, 624876), (54, 520730), (60, 468657), (63, 446340), (70, 401706), (84, 334755), (86, 326970), (90, 312438), (105, 267804), (108, 260365), (126, 223170), (129, 217980), (135, 208292), (140, 200853), (172, 163485), (173, 162540), (180, 156219), (189, 148780), (210, 133902), (215, 130788), (252, 111585), (258, 108990), (270, 104146), (301, 93420), (315, 89268), (346, 81270), (378, 74390), (387, 72660), (420, 66951), (430, 65394), (516, 54495), (519, 54180), (540, 52073), (602, 46710), (630, 44634), (645, 43596), (692, 40635), (756, 37195), (774, 36330), (860, 32697), (865, 32508), (903, 31140), (945, 29756), (1038, 27090), (1161, 24220), (1204, 23355), (1211, 23220), (1260, 22317), (1290, 21798), (1505, 18684), (1548, 18165), (1557, 18060), (1730, 16254), (1806, 15570), (1890, 14878), (1935, 14532), (2076, 13545), (2322, 12110), (2422, 11610), (2580, 10899), (2595, 10836), (2709, 10380), (3010, 9342), (3114, 9030), (3460, 8127), (3612, 7785), (3633, 7740), (3780, 7439), (3870, 7266), (4515, 6228), (4644, 6055), (4671, 6020), (4844, 5805), (5190, 5418)]