215339880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{953}}^1$

素因数の和:1243

約数の個数: 128

約数和(自身を含む): 741830400

約数和(自身を除く): 526490520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 269, 280, 420, 538, 807, 840, 953, 1076, 1345, 1614, 1883, 1906, 2152, 2690, 2859, 3228, 3766, 3812, 4035, 4765, 5380, 5649, 5718, 6456, 6671, 7532, 7624, 8070, 9415, 9530, 10760, 11298, 11436, 13342, 14295, 15064, 16140, 18830, 19060, 20013, 22596, 22872, 26684, 28245, 28590, 32280, 33355, 37660, 38120, 40026, 45192, 53368, 56490, 57180, 66710, 75320, 80052, 100065, 112980, 114360, 133420, 160104, 200130, 225960, 256357, 266840, 400260, 512714, 769071, 800520, 1025428, 1281785, 1538142, 1794499, 2050856, 2563570, 3076284, 3588998, 3845355, 5127140, 5383497, 6152568, 7177996, 7690710, 8972495, 10254280, 10766994, 14355992, 15381420, 17944990, 21533988, 26917485, 30762840, 35889980, 43067976, 53834970, 71779960, 107669940, 215339880]

約数ペア:

[(1, 215339880), (2, 107669940), (3, 71779960), (4, 53834970), (5, 43067976), (6, 35889980), (7, 30762840), (8, 26917485), (10, 21533988), (12, 17944990), (14, 15381420), (15, 14355992), (20, 10766994), (21, 10254280), (24, 8972495), (28, 7690710), (30, 7177996), (35, 6152568), (40, 5383497), (42, 5127140), (56, 3845355), (60, 3588998), (70, 3076284), (84, 2563570), (105, 2050856), (120, 1794499), (140, 1538142), (168, 1281785), (210, 1025428), (269, 800520), (280, 769071), (420, 512714), (538, 400260), (807, 266840), (840, 256357), (953, 225960), (1076, 200130), (1345, 160104), (1614, 133420), (1883, 114360), (1906, 112980), (2152, 100065), (2690, 80052), (2859, 75320), (3228, 66710), (3766, 57180), (3812, 56490), (4035, 53368), (4765, 45192), (5380, 40026), (5649, 38120), (5718, 37660), (6456, 33355), (6671, 32280), (7532, 28590), (7624, 28245), (8070, 26684), (9415, 22872), (9530, 22596), (10760, 20013), (11298, 19060), (11436, 18830), (13342, 16140), (14295, 15064)]