404730720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{281063}}^1$

素因数の和:281084

約数の個数: 72

約数和(自身を含む): 1381148496

約数和(自身を除く): 976417776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 281063, 562126, 843189, 1124252, 1405315, 1686378, 2248504, 2529567, 2810630, 3372756, 4215945, 4497008, 5059134, 5621260, 6745512, 8431890, 8994016, 10118268, 11242520, 12647835, 13491024, 16863780, 20236536, 22485040, 25295670, 26982048, 33727560, 40473072, 44970080, 50591340, 67455120, 80946144, 101182680, 134910240, 202365360, 404730720]

約数ペア:

[(1, 404730720), (2, 202365360), (3, 134910240), (4, 101182680), (5, 80946144), (6, 67455120), (8, 50591340), (9, 44970080), (10, 40473072), (12, 33727560), (15, 26982048), (16, 25295670), (18, 22485040), (20, 20236536), (24, 16863780), (30, 13491024), (32, 12647835), (36, 11242520), (40, 10118268), (45, 8994016), (48, 8431890), (60, 6745512), (72, 5621260), (80, 5059134), (90, 4497008), (96, 4215945), (120, 3372756), (144, 2810630), (160, 2529567), (180, 2248504), (240, 1686378), (288, 1405315), (360, 1124252), (480, 843189), (720, 562126), (1440, 281063)]