405172980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{36901}}^1$

素因数の和:36977

約数の個数: 72

約数和(自身を含む): 1249206504

約数和(自身を除く): 844033524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 36901, 73802, 110703, 147604, 184505, 221406, 332109, 369010, 442812, 553515, 664218, 738020, 1107030, 1328436, 1660545, 2214060, 2250961, 3321090, 4501922, 6642180, 6752883, 9003844, 11254805, 13505766, 20258649, 22509610, 27011532, 33764415, 40517298, 45019220, 67528830, 81034596, 101293245, 135057660, 202586490, 405172980]

約数ペア:

[(1, 405172980), (2, 202586490), (3, 135057660), (4, 101293245), (5, 81034596), (6, 67528830), (9, 45019220), (10, 40517298), (12, 33764415), (15, 27011532), (18, 22509610), (20, 20258649), (30, 13505766), (36, 11254805), (45, 9003844), (60, 6752883), (61, 6642180), (90, 4501922), (122, 3321090), (180, 2250961), (183, 2214060), (244, 1660545), (305, 1328436), (366, 1107030), (549, 738020), (610, 664218), (732, 553515), (915, 442812), (1098, 369010), (1220, 332109), (1830, 221406), (2196, 184505), (2745, 147604), (3660, 110703), (5490, 73802), (10980, 36901)]