72842580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 237182400

約数和(自身を除く): 164339820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 59, 60, 76, 90, 95, 114, 118, 171, 177, 180, 190, 228, 236, 285, 295, 342, 354, 361, 380, 531, 570, 590, 684, 708, 722, 855, 885, 1062, 1083, 1121, 1140, 1180, 1444, 1710, 1770, 1805, 2124, 2166, 2242, 2655, 3249, 3363, 3420, 3540, 3610, 4332, 4484, 5310, 5415, 5605, 6498, 6726, 6859, 7220, 10089, 10620, 10830, 11210, 12996, 13452, 13718, 16245, 16815, 20178, 20577, 21299, 21660, 22420, 27436, 32490, 33630, 34295, 40356, 41154, 42598, 50445, 61731, 63897, 64980, 67260, 68590, 82308, 85196, 100890, 102885, 106495, 123462, 127794, 137180, 191691, 201780, 205770, 212990, 246924, 255588, 308655, 319485, 383382, 404681, 411540, 425980, 617310, 638970, 766764, 809362, 958455, 1214043, 1234620, 1277940, 1618724, 1916910, 2023405, 2428086, 3642129, 3833820, 4046810, 4856172, 6070215, 7284258, 8093620, 12140430, 14568516, 18210645, 24280860, 36421290, 72842580]

約数ペア:

[(1, 72842580), (2, 36421290), (3, 24280860), (4, 18210645), (5, 14568516), (6, 12140430), (9, 8093620), (10, 7284258), (12, 6070215), (15, 4856172), (18, 4046810), (19, 3833820), (20, 3642129), (30, 2428086), (36, 2023405), (38, 1916910), (45, 1618724), (57, 1277940), (59, 1234620), (60, 1214043), (76, 958455), (90, 809362), (95, 766764), (114, 638970), (118, 617310), (171, 425980), (177, 411540), (180, 404681), (190, 383382), (228, 319485), (236, 308655), (285, 255588), (295, 246924), (342, 212990), (354, 205770), (361, 201780), (380, 191691), (531, 137180), (570, 127794), (590, 123462), (684, 106495), (708, 102885), (722, 100890), (855, 85196), (885, 82308), (1062, 68590), (1083, 67260), (1121, 64980), (1140, 63897), (1180, 61731), (1444, 50445), (1710, 42598), (1770, 41154), (1805, 40356), (2124, 34295), (2166, 33630), (2242, 32490), (2655, 27436), (3249, 22420), (3363, 21660), (3420, 21299), (3540, 20577), (3610, 20178), (4332, 16815), (4484, 16245), (5310, 13718), (5415, 13452), (5605, 12996), (6498, 11210), (6726, 10830), (6859, 10620), (7220, 10089)]