30214380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 101122560

約数和(自身を除く): 70908180

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, 239, 245, 258, 294, 301, 420, 430, 478, 490, 516, 588, 602, 645, 717, 735, 860, 903, 956, 980, 1195, 1204, 1290, 1434, 1470, 1505, 1673, 1806, 2107, 2390, 2580, 2868, 2940, 3010, 3346, 3585, 3612, 4214, 4515, 4780, 5019, 6020, 6321, 6692, 7170, 8365, 8428, 9030, 10038, 10277, 10535, 11711, 12642, 14340, 16730, 18060, 20076, 20554, 21070, 23422, 25095, 25284, 30831, 31605, 33460, 35133, 41108, 42140, 46844, 50190, 51385, 58555, 61662, 63210, 70266, 71939, 100380, 102770, 117110, 123324, 126420, 140532, 143878, 154155, 175665, 205540, 215817, 234220, 287756, 308310, 351330, 359695, 431634, 503573, 616620, 702660, 719390, 863268, 1007146, 1079085, 1438780, 1510719, 2014292, 2158170, 2517865, 3021438, 4316340, 5035730, 6042876, 7553595, 10071460, 15107190, 30214380]

約数ペア:

[(1, 30214380), (2, 15107190), (3, 10071460), (4, 7553595), (5, 6042876), (6, 5035730), (7, 4316340), (10, 3021438), (12, 2517865), (14, 2158170), (15, 2014292), (20, 1510719), (21, 1438780), (28, 1079085), (30, 1007146), (35, 863268), (42, 719390), (43, 702660), (49, 616620), (60, 503573), (70, 431634), (84, 359695), (86, 351330), (98, 308310), (105, 287756), (129, 234220), (140, 215817), (147, 205540), (172, 175665), (196, 154155), (210, 143878), (215, 140532), (239, 126420), (245, 123324), (258, 117110), (294, 102770), (301, 100380), (420, 71939), (430, 70266), (478, 63210), (490, 61662), (516, 58555), (588, 51385), (602, 50190), (645, 46844), (717, 42140), (735, 41108), (860, 35133), (903, 33460), (956, 31605), (980, 30831), (1195, 25284), (1204, 25095), (1290, 23422), (1434, 21070), (1470, 20554), (1505, 20076), (1673, 18060), (1806, 16730), (2107, 14340), (2390, 12642), (2580, 11711), (2868, 10535), (2940, 10277), (3010, 10038), (3346, 9030), (3585, 8428), (3612, 8365), (4214, 7170), (4515, 6692), (4780, 6321), (5019, 6020)]