1215015960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{42013}}^1$

素因数の和:42268

約数の個数: 64

約数和(自身を含む): 3660259680

約数和(自身を除く): 2445243720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 1205, 1446, 1928, 2410, 2892, 3615, 4820, 5784, 7230, 9640, 14460, 28920, 42013, 84026, 126039, 168052, 210065, 252078, 336104, 420130, 504156, 630195, 840260, 1008312, 1260390, 1680520, 2520780, 5041560, 10125133, 20250266, 30375399, 40500532, 50625665, 60750798, 81001064, 101251330, 121501596, 151876995, 202502660, 243003192, 303753990, 405005320, 607507980, 1215015960]

約数ペア:

[(1, 1215015960), (2, 607507980), (3, 405005320), (4, 303753990), (5, 243003192), (6, 202502660), (8, 151876995), (10, 121501596), (12, 101251330), (15, 81001064), (20, 60750798), (24, 50625665), (30, 40500532), (40, 30375399), (60, 20250266), (120, 10125133), (241, 5041560), (482, 2520780), (723, 1680520), (964, 1260390), (1205, 1008312), (1446, 840260), (1928, 630195), (2410, 504156), (2892, 420130), (3615, 336104), (4820, 252078), (5784, 210065), (7230, 168052), (9640, 126039), (14460, 84026), (28920, 42013)]