72810090

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 209690208

約数和(自身を除く): 136880118

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 83, 90, 95, 114, 135, 162, 166, 171, 190, 243, 249, 270, 285, 342, 361, 405, 415, 486, 498, 513, 570, 722, 747, 810, 830, 855, 1026, 1083, 1215, 1245, 1494, 1539, 1577, 1710, 1805, 2166, 2241, 2430, 2490, 2565, 3078, 3154, 3249, 3610, 3735, 4482, 4617, 4731, 5130, 5415, 6498, 6723, 7470, 7695, 7885, 9234, 9462, 9747, 10830, 11205, 13446, 14193, 15390, 15770, 16245, 19494, 20169, 22410, 23085, 23655, 28386, 29241, 29963, 32490, 33615, 40338, 42579, 46170, 47310, 48735, 58482, 59926, 67230, 70965, 85158, 87723, 89889, 97470, 100845, 127737, 141930, 146205, 149815, 175446, 179778, 201690, 212895, 255474, 269667, 292410, 299630, 383211, 425790, 438615, 449445, 539334, 638685, 766422, 809001, 877230, 898890, 1277370, 1348335, 1618002, 1916055, 2427003, 2696670, 3832110, 4045005, 4854006, 7281009, 8090010, 12135015, 14562018, 24270030, 36405045, 72810090]

約数ペア:

[(1, 72810090), (2, 36405045), (3, 24270030), (5, 14562018), (6, 12135015), (9, 8090010), (10, 7281009), (15, 4854006), (18, 4045005), (19, 3832110), (27, 2696670), (30, 2427003), (38, 1916055), (45, 1618002), (54, 1348335), (57, 1277370), (81, 898890), (83, 877230), (90, 809001), (95, 766422), (114, 638685), (135, 539334), (162, 449445), (166, 438615), (171, 425790), (190, 383211), (243, 299630), (249, 292410), (270, 269667), (285, 255474), (342, 212895), (361, 201690), (405, 179778), (415, 175446), (486, 149815), (498, 146205), (513, 141930), (570, 127737), (722, 100845), (747, 97470), (810, 89889), (830, 87723), (855, 85158), (1026, 70965), (1083, 67230), (1215, 59926), (1245, 58482), (1494, 48735), (1539, 47310), (1577, 46170), (1710, 42579), (1805, 40338), (2166, 33615), (2241, 32490), (2430, 29963), (2490, 29241), (2565, 28386), (3078, 23655), (3154, 23085), (3249, 22410), (3610, 20169), (3735, 19494), (4482, 16245), (4617, 15770), (4731, 15390), (5130, 14193), (5415, 13446), (6498, 11205), (6723, 10830), (7470, 9747), (7695, 9462), (7885, 9234)]