1210948020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{26177}}^1$

素因数の和:26449

約数の個数: 72

約数和(自身を含む): 3687642504

約数和(自身を除く): 2476694484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4626, 5140, 7710, 9252, 11565, 15420, 23130, 26177, 46260, 52354, 78531, 104708, 130885, 157062, 235593, 261770, 314124, 392655, 471186, 523540, 785310, 942372, 1177965, 1570620, 2355930, 4711860, 6727489, 13454978, 20182467, 26909956, 33637445, 40364934, 60547401, 67274890, 80729868, 100912335, 121094802, 134549780, 201824670, 242189604, 302737005, 403649340, 605474010, 1210948020]

約数ペア:

[(1, 1210948020), (2, 605474010), (3, 403649340), (4, 302737005), (5, 242189604), (6, 201824670), (9, 134549780), (10, 121094802), (12, 100912335), (15, 80729868), (18, 67274890), (20, 60547401), (30, 40364934), (36, 33637445), (45, 26909956), (60, 20182467), (90, 13454978), (180, 6727489), (257, 4711860), (514, 2355930), (771, 1570620), (1028, 1177965), (1285, 942372), (1542, 785310), (2313, 523540), (2570, 471186), (3084, 392655), (3855, 314124), (4626, 261770), (5140, 235593), (7710, 157062), (9252, 130885), (11565, 104708), (15420, 78531), (23130, 52354), (26177, 46260)]