213082020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 669876480

約数和(自身を除く): 456794460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 89, 90, 94, 141, 178, 180, 188, 235, 267, 282, 283, 356, 423, 445, 470, 534, 564, 566, 705, 801, 846, 849, 890, 940, 1068, 1132, 1335, 1410, 1415, 1602, 1692, 1698, 1780, 2115, 2547, 2670, 2820, 2830, 3204, 3396, 4005, 4183, 4230, 4245, 5094, 5340, 5660, 8010, 8366, 8460, 8490, 10188, 12549, 12735, 13301, 16020, 16732, 16980, 20915, 25098, 25187, 25470, 26602, 37647, 39903, 41830, 50196, 50374, 50940, 53204, 62745, 66505, 75294, 75561, 79806, 83660, 100748, 119709, 125490, 125935, 133010, 150588, 151122, 159612, 188235, 199515, 226683, 239418, 250980, 251870, 266020, 302244, 376470, 377805, 399030, 453366, 478836, 503740, 598545, 752940, 755610, 798060, 906732, 1133415, 1183789, 1197090, 1511220, 2266830, 2367578, 2394180, 3551367, 4533660, 4735156, 5918945, 7102734, 10654101, 11837890, 14205468, 17756835, 21308202, 23675780, 35513670, 42616404, 53270505, 71027340, 106541010, 213082020]

約数ペア:

[(1, 213082020), (2, 106541010), (3, 71027340), (4, 53270505), (5, 42616404), (6, 35513670), (9, 23675780), (10, 21308202), (12, 17756835), (15, 14205468), (18, 11837890), (20, 10654101), (30, 7102734), (36, 5918945), (45, 4735156), (47, 4533660), (60, 3551367), (89, 2394180), (90, 2367578), (94, 2266830), (141, 1511220), (178, 1197090), (180, 1183789), (188, 1133415), (235, 906732), (267, 798060), (282, 755610), (283, 752940), (356, 598545), (423, 503740), (445, 478836), (470, 453366), (534, 399030), (564, 377805), (566, 376470), (705, 302244), (801, 266020), (846, 251870), (849, 250980), (890, 239418), (940, 226683), (1068, 199515), (1132, 188235), (1335, 159612), (1410, 151122), (1415, 150588), (1602, 133010), (1692, 125935), (1698, 125490), (1780, 119709), (2115, 100748), (2547, 83660), (2670, 79806), (2820, 75561), (2830, 75294), (3204, 66505), (3396, 62745), (4005, 53204), (4183, 50940), (4230, 50374), (4245, 50196), (5094, 41830), (5340, 39903), (5660, 37647), (8010, 26602), (8366, 25470), (8460, 25187), (8490, 25098), (10188, 20915), (12549, 16980), (12735, 16732), (13301, 16020)]