291238920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{115571}}^1$

素因数の和:115595

約数の個数: 96

約数和(自身を含む): 1081753920

約数和(自身を除く): 790515000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 115571, 231142, 346713, 462284, 577855, 693426, 808997, 924568, 1040139, 1155710, 1386852, 1617994, 1733565, 2080278, 2311420, 2426991, 2773704, 3235988, 3467130, 4044985, 4160556, 4622840, 4853982, 5200695, 6471976, 6934260, 7280973, 8089970, 8321112, 9707964, 10401390, 12134955, 13868520, 14561946, 16179940, 19415928, 20802780, 24269910, 29123892, 32359880, 36404865, 41605560, 48539820, 58247784, 72809730, 97079640, 145619460, 291238920]

約数ペア:

[(1, 291238920), (2, 145619460), (3, 97079640), (4, 72809730), (5, 58247784), (6, 48539820), (7, 41605560), (8, 36404865), (9, 32359880), (10, 29123892), (12, 24269910), (14, 20802780), (15, 19415928), (18, 16179940), (20, 14561946), (21, 13868520), (24, 12134955), (28, 10401390), (30, 9707964), (35, 8321112), (36, 8089970), (40, 7280973), (42, 6934260), (45, 6471976), (56, 5200695), (60, 4853982), (63, 4622840), (70, 4160556), (72, 4044985), (84, 3467130), (90, 3235988), (105, 2773704), (120, 2426991), (126, 2311420), (140, 2080278), (168, 1733565), (180, 1617994), (210, 1386852), (252, 1155710), (280, 1040139), (315, 924568), (360, 808997), (420, 693426), (504, 577855), (630, 462284), (840, 346713), (1260, 231142), (2520, 115571)]