30940740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 100900800

約数和(自身を除く): 69960060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 83, 90, 95, 109, 114, 166, 171, 180, 190, 218, 228, 249, 285, 327, 332, 342, 380, 415, 436, 498, 545, 570, 654, 684, 747, 830, 855, 981, 996, 1090, 1140, 1245, 1308, 1494, 1577, 1635, 1660, 1710, 1962, 2071, 2180, 2490, 2988, 3154, 3270, 3420, 3735, 3924, 4142, 4731, 4905, 4980, 6213, 6308, 6540, 7470, 7885, 8284, 9047, 9462, 9810, 10355, 12426, 14193, 14940, 15770, 18094, 18639, 18924, 19620, 20710, 23655, 24852, 27141, 28386, 31065, 31540, 36188, 37278, 41420, 45235, 47310, 54282, 56772, 62130, 70965, 74556, 81423, 90470, 93195, 94620, 108564, 124260, 135705, 141930, 162846, 171893, 180940, 186390, 271410, 283860, 325692, 343786, 372780, 407115, 515679, 542820, 687572, 814230, 859465, 1031358, 1547037, 1628460, 1718930, 2062716, 2578395, 3094074, 3437860, 5156790, 6188148, 7735185, 10313580, 15470370, 30940740]

約数ペア:

[(1, 30940740), (2, 15470370), (3, 10313580), (4, 7735185), (5, 6188148), (6, 5156790), (9, 3437860), (10, 3094074), (12, 2578395), (15, 2062716), (18, 1718930), (19, 1628460), (20, 1547037), (30, 1031358), (36, 859465), (38, 814230), (45, 687572), (57, 542820), (60, 515679), (76, 407115), (83, 372780), (90, 343786), (95, 325692), (109, 283860), (114, 271410), (166, 186390), (171, 180940), (180, 171893), (190, 162846), (218, 141930), (228, 135705), (249, 124260), (285, 108564), (327, 94620), (332, 93195), (342, 90470), (380, 81423), (415, 74556), (436, 70965), (498, 62130), (545, 56772), (570, 54282), (654, 47310), (684, 45235), (747, 41420), (830, 37278), (855, 36188), (981, 31540), (996, 31065), (1090, 28386), (1140, 27141), (1245, 24852), (1308, 23655), (1494, 20710), (1577, 19620), (1635, 18924), (1660, 18639), (1710, 18094), (1962, 15770), (2071, 14940), (2180, 14193), (2490, 12426), (2988, 10355), (3154, 9810), (3270, 9462), (3420, 9047), (3735, 8284), (3924, 7885), (4142, 7470), (4731, 6540), (4905, 6308), (4980, 6213)]