31137120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{3089}}^1$

素因数の和:3117

約数の個数: 144

約数和(自身を含む): 121474080

約数和(自身を除く): 90336960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3089, 3360, 5040, 6178, 9267, 10080, 12356, 15445, 18534, 21623, 24712, 27801, 30890, 37068, 43246, 46335, 49424, 55602, 61780, 64869, 74136, 86492, 92670, 98848, 108115, 111204, 123560, 129738, 139005, 148272, 172984, 185340, 194607, 216230, 222408, 247120, 259476, 278010, 296544, 324345, 345968, 370680, 389214, 432460, 444816, 494240, 518952, 556020, 648690, 691936, 741360, 778428, 864920, 889632, 973035, 1037904, 1112040, 1297380, 1482720, 1556856, 1729840, 1946070, 2075808, 2224080, 2594760, 3113712, 3459680, 3892140, 4448160, 5189520, 6227424, 7784280, 10379040, 15568560, 31137120]

約数ペア:

[(1, 31137120), (2, 15568560), (3, 10379040), (4, 7784280), (5, 6227424), (6, 5189520), (7, 4448160), (8, 3892140), (9, 3459680), (10, 3113712), (12, 2594760), (14, 2224080), (15, 2075808), (16, 1946070), (18, 1729840), (20, 1556856), (21, 1482720), (24, 1297380), (28, 1112040), (30, 1037904), (32, 973035), (35, 889632), (36, 864920), (40, 778428), (42, 741360), (45, 691936), (48, 648690), (56, 556020), (60, 518952), (63, 494240), (70, 444816), (72, 432460), (80, 389214), (84, 370680), (90, 345968), (96, 324345), (105, 296544), (112, 278010), (120, 259476), (126, 247120), (140, 222408), (144, 216230), (160, 194607), (168, 185340), (180, 172984), (210, 148272), (224, 139005), (240, 129738), (252, 123560), (280, 111204), (288, 108115), (315, 98848), (336, 92670), (360, 86492), (420, 74136), (480, 64869), (504, 61780), (560, 55602), (630, 49424), (672, 46335), (720, 43246), (840, 37068), (1008, 30890), (1120, 27801), (1260, 24712), (1440, 21623), (1680, 18534), (2016, 15445), (2520, 12356), (3089, 10080), (3360, 9267), (5040, 6178)]