81224910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 237202560

約数和(自身を除く): 155977650

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 73, 78, 90, 117, 130, 135, 146, 195, 219, 234, 270, 317, 351, 365, 390, 438, 585, 634, 657, 702, 730, 949, 951, 1095, 1170, 1314, 1585, 1755, 1898, 1902, 1971, 2190, 2847, 2853, 3170, 3285, 3510, 3942, 4121, 4745, 4755, 5694, 5706, 6570, 8242, 8541, 8559, 9490, 9510, 9855, 12363, 14235, 14265, 17082, 17118, 19710, 20605, 23141, 24726, 25623, 28470, 28530, 37089, 41210, 42705, 42795, 46282, 51246, 61815, 69423, 74178, 85410, 85590, 111267, 115705, 123630, 128115, 138846, 185445, 208269, 222534, 231410, 256230, 300833, 347115, 370890, 416538, 556335, 601666, 624807, 694230, 902499, 1041345, 1112670, 1249614, 1504165, 1804998, 2082690, 2707497, 3008330, 3124035, 4512495, 5414994, 6248070, 8122491, 9024990, 13537485, 16244982, 27074970, 40612455, 81224910]

約数ペア:

[(1, 81224910), (2, 40612455), (3, 27074970), (5, 16244982), (6, 13537485), (9, 9024990), (10, 8122491), (13, 6248070), (15, 5414994), (18, 4512495), (26, 3124035), (27, 3008330), (30, 2707497), (39, 2082690), (45, 1804998), (54, 1504165), (65, 1249614), (73, 1112670), (78, 1041345), (90, 902499), (117, 694230), (130, 624807), (135, 601666), (146, 556335), (195, 416538), (219, 370890), (234, 347115), (270, 300833), (317, 256230), (351, 231410), (365, 222534), (390, 208269), (438, 185445), (585, 138846), (634, 128115), (657, 123630), (702, 115705), (730, 111267), (949, 85590), (951, 85410), (1095, 74178), (1170, 69423), (1314, 61815), (1585, 51246), (1755, 46282), (1898, 42795), (1902, 42705), (1971, 41210), (2190, 37089), (2847, 28530), (2853, 28470), (3170, 25623), (3285, 24726), (3510, 23141), (3942, 20605), (4121, 19710), (4745, 17118), (4755, 17082), (5694, 14265), (5706, 14235), (6570, 12363), (8242, 9855), (8541, 9510), (8559, 9490)]