31340880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 240

約数和(自身を含む): 116064000

約数和(自身を除く): 84723120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 48, 57, 58, 60, 72, 76, 79, 80, 87, 90, 95, 114, 116, 120, 144, 145, 152, 158, 171, 174, 180, 190, 228, 232, 237, 240, 261, 285, 290, 304, 316, 342, 348, 360, 380, 395, 435, 456, 464, 474, 522, 551, 570, 580, 632, 684, 696, 711, 720, 760, 790, 855, 870, 912, 948, 1044, 1102, 1140, 1160, 1185, 1264, 1305, 1368, 1392, 1422, 1501, 1520, 1580, 1653, 1710, 1740, 1896, 2088, 2204, 2280, 2291, 2320, 2370, 2610, 2736, 2755, 2844, 3002, 3160, 3306, 3420, 3480, 3555, 3792, 4176, 4408, 4503, 4560, 4582, 4740, 4959, 5220, 5510, 5688, 6004, 6320, 6612, 6840, 6873, 6960, 7110, 7505, 8265, 8816, 9006, 9164, 9480, 9918, 10440, 11020, 11376, 11455, 12008, 13224, 13509, 13680, 13746, 14220, 15010, 16530, 18012, 18328, 18960, 19836, 20619, 20880, 22040, 22515, 22910, 24016, 24795, 26448, 27018, 27492, 28440, 30020, 33060, 34365, 36024, 36656, 39672, 41238, 43529, 44080, 45030, 45820, 49590, 54036, 54984, 56880, 60040, 66120, 67545, 68730, 72048, 79344, 82476, 87058, 90060, 91640, 99180, 103095, 108072, 109968, 120080, 130587, 132240, 135090, 137460, 164952, 174116, 180120, 183280, 198360, 206190, 216144, 217645, 261174, 270180, 274920, 329904, 348232, 360240, 391761, 396720, 412380, 435290, 522348, 540360, 549840, 652935, 696464, 783522, 824760, 870580, 1044696, 1080720, 1305870, 1567044, 1649520, 1741160, 1958805, 2089392, 2611740, 3134088, 3482320, 3917610, 5223480, 6268176, 7835220, 10446960, 15670440, 31340880]

約数ペア:

[(1, 31340880), (2, 15670440), (3, 10446960), (4, 7835220), (5, 6268176), (6, 5223480), (8, 3917610), (9, 3482320), (10, 3134088), (12, 2611740), (15, 2089392), (16, 1958805), (18, 1741160), (19, 1649520), (20, 1567044), (24, 1305870), (29, 1080720), (30, 1044696), (36, 870580), (38, 824760), (40, 783522), (45, 696464), (48, 652935), (57, 549840), (58, 540360), (60, 522348), (72, 435290), (76, 412380), (79, 396720), (80, 391761), (87, 360240), (90, 348232), (95, 329904), (114, 274920), (116, 270180), (120, 261174), (144, 217645), (145, 216144), (152, 206190), (158, 198360), (171, 183280), (174, 180120), (180, 174116), (190, 164952), (228, 137460), (232, 135090), (237, 132240), (240, 130587), (261, 120080), (285, 109968), (290, 108072), (304, 103095), (316, 99180), (342, 91640), (348, 90060), (360, 87058), (380, 82476), (395, 79344), (435, 72048), (456, 68730), (464, 67545), (474, 66120), (522, 60040), (551, 56880), (570, 54984), (580, 54036), (632, 49590), (684, 45820), (696, 45030), (711, 44080), (720, 43529), (760, 41238), (790, 39672), (855, 36656), (870, 36024), (912, 34365), (948, 33060), (1044, 30020), (1102, 28440), (1140, 27492), (1160, 27018), (1185, 26448), (1264, 24795), (1305, 24016), (1368, 22910), (1392, 22515), (1422, 22040), (1501, 20880), (1520, 20619), (1580, 19836), (1653, 18960), (1710, 18328), (1740, 18012), (1896, 16530), (2088, 15010), (2204, 14220), (2280, 13746), (2291, 13680), (2320, 13509), (2370, 13224), (2610, 12008), (2736, 11455), (2755, 11376), (2844, 11020), (3002, 10440), (3160, 9918), (3306, 9480), (3420, 9164), (3480, 9006), (3555, 8816), (3792, 8265), (4176, 7505), (4408, 7110), (4503, 6960), (4560, 6873), (4582, 6840), (4740, 6612), (4959, 6320), (5220, 6004), (5510, 5688)]