72421030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 148490496

約数和(自身を除く): 76069466

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 61, 86, 110, 122, 215, 251, 305, 430, 473, 502, 610, 671, 946, 1255, 1342, 2365, 2510, 2623, 2761, 3355, 4730, 5246, 5522, 6710, 10793, 13115, 13805, 15311, 21586, 26230, 27610, 28853, 30622, 53965, 57706, 76555, 107930, 118723, 144265, 153110, 168421, 237446, 288530, 336842, 593615, 658373, 842105, 1187230, 1316746, 1684210, 3291865, 6583730, 7242103, 14484206, 36210515, 72421030]

約数ペア:

[(1, 72421030), (2, 36210515), (5, 14484206), (10, 7242103), (11, 6583730), (22, 3291865), (43, 1684210), (55, 1316746), (61, 1187230), (86, 842105), (110, 658373), (122, 593615), (215, 336842), (251, 288530), (305, 237446), (430, 168421), (473, 153110), (502, 144265), (610, 118723), (671, 107930), (946, 76555), (1255, 57706), (1342, 53965), (2365, 30622), (2510, 28853), (2623, 27610), (2761, 26230), (3355, 21586), (4730, 15311), (5246, 13805), (5522, 13115), (6710, 10793)]