311890320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3257}}^1$

素因数の和:3302

約数の個数: 240

約数和(自身を含む): 1260455040

約数和(自身を除く): 948564720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3257, 3420, 3990, 4560, 4788, 5040, 5320, 5985, 6384, 6514, 6840, 7980, 9576, 9771, 10640, 11970, 13028, 13680, 15960, 16285, 19152, 19542, 22799, 23940, 26056, 29313, 31920, 32570, 39084, 45598, 47880, 48855, 52112, 58626, 61883, 65140, 68397, 78168, 91196, 95760, 97710, 113995, 117252, 123766, 130280, 136794, 146565, 156336, 182392, 185649, 195420, 205191, 227990, 234504, 247532, 260560, 273588, 293130, 309415, 341985, 364784, 371298, 390840, 410382, 433181, 455980, 469008, 495064, 547176, 556947, 586260, 618830, 683970, 742596, 781680, 820764, 866362, 911960, 928245, 990128, 1025955, 1094352, 1113894, 1172520, 1237660, 1299543, 1367940, 1485192, 1641528, 1732724, 1823920, 1856490, 2051910, 2165905, 2227788, 2345040, 2475320, 2599086, 2735880, 2784735, 2970384, 3283056, 3465448, 3712980, 3898629, 4103820, 4331810, 4455576, 4950640, 5198172, 5471760, 5569470, 6497715, 6930896, 7425960, 7797258, 8207640, 8663620, 8911152, 10396344, 11138940, 12995430, 14851920, 15594516, 16415280, 17327240, 19493145, 20792688, 22277880, 25990860, 31189032, 34654480, 38986290, 44555760, 51981720, 62378064, 77972580, 103963440, 155945160, 311890320]

約数ペア:

[(1, 311890320), (2, 155945160), (3, 103963440), (4, 77972580), (5, 62378064), (6, 51981720), (7, 44555760), (8, 38986290), (9, 34654480), (10, 31189032), (12, 25990860), (14, 22277880), (15, 20792688), (16, 19493145), (18, 17327240), (19, 16415280), (20, 15594516), (21, 14851920), (24, 12995430), (28, 11138940), (30, 10396344), (35, 8911152), (36, 8663620), (38, 8207640), (40, 7797258), (42, 7425960), (45, 6930896), (48, 6497715), (56, 5569470), (57, 5471760), (60, 5198172), (63, 4950640), (70, 4455576), (72, 4331810), (76, 4103820), (80, 3898629), (84, 3712980), (90, 3465448), (95, 3283056), (105, 2970384), (112, 2784735), (114, 2735880), (120, 2599086), (126, 2475320), (133, 2345040), (140, 2227788), (144, 2165905), (152, 2051910), (168, 1856490), (171, 1823920), (180, 1732724), (190, 1641528), (210, 1485192), (228, 1367940), (240, 1299543), (252, 1237660), (266, 1172520), (280, 1113894), (285, 1094352), (304, 1025955), (315, 990128), (336, 928245), (342, 911960), (360, 866362), (380, 820764), (399, 781680), (420, 742596), (456, 683970), (504, 618830), (532, 586260), (560, 556947), (570, 547176), (630, 495064), (665, 469008), (684, 455980), (720, 433181), (760, 410382), (798, 390840), (840, 371298), (855, 364784), (912, 341985), (1008, 309415), (1064, 293130), (1140, 273588), (1197, 260560), (1260, 247532), (1330, 234504), (1368, 227990), (1520, 205191), (1596, 195420), (1680, 185649), (1710, 182392), (1995, 156336), (2128, 146565), (2280, 136794), (2394, 130280), (2520, 123766), (2660, 117252), (2736, 113995), (3192, 97710), (3257, 95760), (3420, 91196), (3990, 78168), (4560, 68397), (4788, 65140), (5040, 61883), (5320, 58626), (5985, 52112), (6384, 48855), (6514, 47880), (6840, 45598), (7980, 39084), (9576, 32570), (9771, 31920), (10640, 29313), (11970, 26056), (13028, 23940), (13680, 22799), (15960, 19542), (16285, 19152)]