17997840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3571}}^1$

素因数の和:3597

約数の個数: 120

約数和(自身を含む): 69096768

約数和(自身を除く): 51098928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3571, 5040, 7142, 10713, 14284, 17855, 21426, 24997, 28568, 32139, 35710, 42852, 49994, 53565, 57136, 64278, 71420, 74991, 85704, 99988, 107130, 124985, 128556, 142840, 149982, 160695, 171408, 199976, 214260, 224973, 249970, 257112, 285680, 299964, 321390, 374955, 399952, 428520, 449946, 499940, 514224, 599928, 642780, 749910, 857040, 899892, 999880, 1124865, 1199856, 1285560, 1499820, 1799784, 1999760, 2249730, 2571120, 2999640, 3599568, 4499460, 5999280, 8998920, 17997840]

約数ペア:

[(1, 17997840), (2, 8998920), (3, 5999280), (4, 4499460), (5, 3599568), (6, 2999640), (7, 2571120), (8, 2249730), (9, 1999760), (10, 1799784), (12, 1499820), (14, 1285560), (15, 1199856), (16, 1124865), (18, 999880), (20, 899892), (21, 857040), (24, 749910), (28, 642780), (30, 599928), (35, 514224), (36, 499940), (40, 449946), (42, 428520), (45, 399952), (48, 374955), (56, 321390), (60, 299964), (63, 285680), (70, 257112), (72, 249970), (80, 224973), (84, 214260), (90, 199976), (105, 171408), (112, 160695), (120, 149982), (126, 142840), (140, 128556), (144, 124985), (168, 107130), (180, 99988), (210, 85704), (240, 74991), (252, 71420), (280, 64278), (315, 57136), (336, 53565), (360, 49994), (420, 42852), (504, 35710), (560, 32139), (630, 28568), (720, 24997), (840, 21426), (1008, 17855), (1260, 14284), (1680, 10713), (2520, 7142), (3571, 5040)]