661630860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{334157}}^1$

素因数の和:334183

約数の個数: 72

約数和(自身を含む): 2189403216

約数和(自身を除く): 1527772356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 334157, 668314, 1002471, 1336628, 1670785, 2004942, 3007413, 3341570, 3675727, 4009884, 5012355, 6014826, 6683140, 7351454, 10024710, 11027181, 12029652, 14702908, 15037065, 18378635, 20049420, 22054362, 30074130, 33081543, 36757270, 44108724, 55135905, 60148260, 66163086, 73514540, 110271810, 132326172, 165407715, 220543620, 330815430, 661630860]

約数ペア:

[(1, 661630860), (2, 330815430), (3, 220543620), (4, 165407715), (5, 132326172), (6, 110271810), (9, 73514540), (10, 66163086), (11, 60148260), (12, 55135905), (15, 44108724), (18, 36757270), (20, 33081543), (22, 30074130), (30, 22054362), (33, 20049420), (36, 18378635), (44, 15037065), (45, 14702908), (55, 12029652), (60, 11027181), (66, 10024710), (90, 7351454), (99, 6683140), (110, 6014826), (132, 5012355), (165, 4009884), (180, 3675727), (198, 3341570), (220, 3007413), (330, 2004942), (396, 1670785), (495, 1336628), (660, 1002471), (990, 668314), (1980, 334157)]